You wish to test the claim μ<68.5μ<68.5 at a significance level of 0.100.10. You believe the population is normally distributed, but you do not know the standard deviation. You obtain the following sample of data: data 67.7 42.1 94.4 67.2 16.9 49.7 30.2 65.2
Q: You wish to test the following claim (Ha) at a significance level of a = 0.01. Ηο: μ = 84.9 Ha: 84.9…
A: From the provided information, Sample size (n) = 45 Level of significance (α) = 0.01
Q: The data table contains waiting times of customers at a bank, where customers enter a single waiting…
A: The data shows the waiting times of customers at a bank where customers enter a single line that…
Q: You wish to test the following claim (Ha) at a significance level of a = 0.02. d denotes the mean of…
A: The question is about paired t testGiven :To find :a ) Test statb ) p valuec ) Comparing p value…
Q: You wish to test the following claim at a significance level of 0.002. H0:U=73.2…
A: From the provided information, Sample size (n) = 62 Sample mean (x̄) = 70.4 Sample standard…
Q: You wish to test the following claim (Ha) at a significance level of a = 0.05. H.:µ = 53.2 Ha:u #…
A:
Q: You wish to test the following claim (H1) at a significance level of 0.02. Ho:µ = 84.4 H1:µ > 84.4…
A: (\mu)population mean(μ) = 84.484.4 Population Standard Deviation (\sigma)(σ) = 13.913.9…
Q: The time to complete an exam is approximately Normal with a mean - 38 minutes and a standard…
A: (1) Sketch the graph of the distribution using the empirical rule. The below graph represents the…
Q: Arandom sample of 83 eighth grade students' scores on a national mathematics assessment test has a…
A: Givensample size(n)=83Mean(x)=267standard deviation(σ)=30α=0.11
Q: he mean SAT verbal score is 448, with a standard deviation of 95. Use the empirical rule to…
A:
Q: You wish to test the following claim (Ha) at a significance level of α=0.001. Ho:μ=56.5…
A: The sample mean and standard deviation are, The null and alternative hypothesis is,
Q: Based on what you have studied in this unit, reflect and answer the following questions: What are…
A: Step 1:The main characteristics of normal distribution are,It has same value of mean, median and…
Q: You wish to test the following claim (Ha) at a significance level of a = 0.005. Ho:μ = 69.4 Ha:>…
A: The provided information is as follows:The sample mean is .The population mean is The sample size is…
Q: Scores on a statistics final in a large class were normally distributed with a mean of 73 and a…
A: The mean is 73 and standard deviation is 6 μ=73σ=6
Q: THE MEASUREO RESISTANCE OF A SAMPLE 10 RESISTORS FROM A Box of १००15 AS BELOW. ALL VALUES ARE IN…
A: Given that,The measured resistance of a sample 10 resistors.The sample size is 10. The data is:…
Q: You wish to test the following claim (H₁) at a significance level of a = 0.05. Ho: μ = 86.1 Ha: 86.1…
A: Givenα=0.05sample size(n)=402Mean(M)=87.4standard deviation(SD)=6.5The null and alternative…
Q: Test at 0.05 significance. Round answers to 4 decimal places. H0: H1:…
A: Given that n = 25 , µ = 5 , x̄ = 4.5 , s = 1.2 Note: According to bartelby question answer…
Q: You wish to test the following claim (Ha) at a significance level of α=0.02 Ho:μ=78.7…
A: Given data and calculation is shown below Data(x) (xi - x̄)2 81 29.633 70.5 25.567 80.6…
Q: You wish to test the following claim (Ha) at a significance level of a = 0.05. H.:µ = 67.7 Ha:µ >…
A: Since population standard deviation (σ) not known, we have to perform one sample t test. Hypothesis…
Q: Use the F-scale measurements of tornadoes listed in the accompanying table. The range of the data…
A: The question is about signif. of actual std. deviation Given : Range of the given data = 4 Actual…
Q: You wish to test the following claim (H) at a significance level of a = 0.10. H₂:μ = 69.8 Ha:μ #…
A: Consider that μ is the population mean.
Q: You wish to test the claim μ<72.7μ<72.7 at a significance level of 0.050.05. You believe the…
A: Given Information: Claim: μ<72.7 Significance level α=0.05 Sample size (n) = 8 Since, the…
Q: You wish to test the following claim (Ha) at a significance level of a = 0.05. H.:µ = 78.1 Ha:µ >…
A:
Q: You believe the population is normally distributed, but you do not know the standard deviation. You…
A:
Q: In a 1992 article in the Journal of the American Medical Association, researchers reported that a…
A:
Q: You wish to test the following claim (HaHa) at a significance level of α=0.05α=0.05.…
A: When population standard deviation is unknown, we will use the t-test for the single mean. For ease…
Q: The blood platelet counts of a group of women have a bell-shaped distribution with a mean of 257.3…
A: The mean is 257.3 and the standard deviation is 64.1.
Q: You wish to test the following claim (Ha) at a significance level of a = 0.10. Ho: μ = 87.1 H„ : μ <…
A: Significance level()=0.10The null and alternative hypothesis isH0:Ha:The sample data set…
Q: You wish to test the following claim at a significance level of 0.001. H0:μ=79.7…
A: The sample size is 106.
Q: You wish to test the following claim (Ha) at a significance level of a = 0.002. Ho:u=76.9 Ha:u >…
A:
Q: A data set consisting of newborn baby weights is normally distributed (bell-shaped) with a mean of…
A: Empirical rule states the spread of data in 3 standard deviation limit. From the empirical rule, 68%…
Q: You wish to test the following claim (Ha) at a significance level of a = 0.005. H.:µ = 87.7 Ha:µ +…
A: Given data is 98.2 , 101.2 , 89.2 , 90.1 , 96.6 , 100.7sample size(n)=6sample…
Q: You wish to test the following claim (Ha) at a significance level of α=0.005. Ho:μ=75.2…
A: From the provided information, The hypotheses are as follow: H0: µ = 75.2 Ha: µ ≠ 75.2 Level of…
Q: You wish to test the following claim (Ha) at a significance level of a = 0.001. Ho: μ = 70.9 Ha:…
A:
Q: What is the test statistic for this sample? (Report answer accurate to three decimal places.) test…
A: testing the following claim (Ha) at significance level of 0.005. Ho: μ= 65.2 Ha: μ> 65.2 n = 6 ,…
Q: A B. 1 Doctor visits 0. 1 2. Frequency 7. 149 121 4. 5 54 4. 450 110 12 8. 12 6. 10 8. 14 11 6. 12…
A: From the provided information, A B Doctor visits Frequency 0 7 1 149 2…
Q: Use the Empirical Rule to answer the questions below: The distribution of weights for newborn…
A:
Q: You wish to test the following claim (Ha) at a significance level of a = 0.02. Η : μ = 55.9 H : μ #…
A: We have given information, The hypotheses of the claim is, H0: μ=55.9 Ha: μ≠55.9 This is a…
Q: You wish to test the following claim (Ha) at a significance level of a = 0.05. d denotes the mean of…
A: a. Consider that µd is the true mean difference between pre-test and post-test scores. That, is µd =…
Q: Use the Empirical Rule to answer the questions below: The distribution of weights for newborn…
A: From the given information, The distribution of weights for newborn babies is approximately normally…
Q: Scores on a statistics final in a large class were normally distributed with a mean of 73 and a…
A: Given data: Mean = 73 Population standard deviation = 6
You wish to test the claim μ<68.5μ<68.5 at a significance level of 0.100.10.
You believe the population is
| data |
|---|
| 67.7 |
| 42.1 |
| 94.4 |
| 67.2 |
| 16.9 |
| 49.7 |
| 30.2 |
| 65.2 |
What is the critical value for this test? (Report answer accurate to three decimal places.)
critical value =
What is the test statistic for this sample? (Report answer accurate to three decimal places.)
test statistic =
Claim:
μ<68.5
Null Hypothesis:
H0:
Alternative Hypothesis:
H0:
Critical value:
degrees of freedom=n-1=8-1=7
level of significance=0.10
Tail of the test is left tail test.
t critical value=-1.415, from the excel function, =T.INV(0.1,7)
Trending now
This is a popular solution!
Step by step
Solved in 2 steps
- You wish to test the following claim (HaHa) at a significance level of α=0.02. Ho:μ=57.3 Ha:μ>57.3You believe the population is normally distributed, but you do not know the standard deviation. You obtain the following sample of data: data 77.7 67 62 51.3 69.1 72.2 What is the test statistic for this sample? (Report answer accurate to three decimal places.)test statistic = What is the p-value for this sample? (Report answer accurate to four decimal places.)p-value = The p-value is... less than (or equal to) αα greater than αα This test statistic leads to a decision to... reject the null accept the null fail to reject the null As such, the final conclusion is that... There is sufficient evidence to warrant rejection of the claim that the population mean is greater than 57.3. There is not sufficient evidence to warrant rejection of the claim that the population mean is greater than 57.3. The sample data support the claim that the population mean…E Infanticide - an ove.. You wish to test the following claim (H) at a significance level of a 0.10. H.:µ = 77.4 Ha: < 77.4 You believe the population is normally distributed, but you do not know the standard deviation. You obtain the following sample of data: data 64.9 82.9 77,7 74.9 What is the test statistic for this sample? (Report answer accurate to three decimal places.) test statistic = What is the p-value for this sample? (Report answer accurate to four decimal places.) p-value = The p-value is. O less than (or equal to) a O greater than a This test statistic leads to a decision to.. O reject the null O accept the null O fail to reject the null Pri P Type here to search 近You wish to test the claim μ>53.3μ>53.3 at a significance level of 0.050.05.You believe the population is normally distributed, but you do not know the standard deviation. You obtain the following sample of data: data 49.9 46.9 58.6 61.1 60.1 65.9 68.4 57.6 67.8 52.2 61.3 60.3 53.6 71.2 42.9 What is the critical value for this test? (Report answer accurate to three decimal places.)critical value = What is the test statistic for this sample? (Report answer accurate to three decimal places.)test statistic =
- You wish to test the following claim (HaHa) at a significance level of α=0.002 Ho:μ=72.6 Ha:μ<72.6You believe the population is normally distributed, but you do not know the standard deviation. You obtain the following sample of data: 94.7 57.9 57 55.3 48.5 81.5 46.2 61.7 76.9 75.5 63.9 49.2 82.9 62.1 50.5 72.9 52.3 57.4 63.2 80.2 82.2 71.6 75 69 57 62.5 52.8 50.5 61.4 82.2 58.7 62.8 75.5 49.2 55.7 87.6 72.4 56.2 48.5 90.4 79.6 32.1 69 76.9 47.8 What is the test statistic for this sample? (Report answer accurate to three decimal places.)test statistic = What is the p-value for this sample? (Report answer accurate to four decimal places.)p-value = The p-value is... less than (or equal to) αα greater than αα This test statistic leads to a decision to... reject the null accept the null fail to reject the null As such, the final conclusion is that... There is sufficient evidence to warrant rejection of the claim that the population mean is less…You wish to test the following claim (Ha) at a significance level of a=0.02. H0: u=83.9 Ha:u<83.9 You believe the population is normally distributed but you do not know the standard deviation. You obtain a sample of size n=119 with the meanM=79.4 and a standard deviation of SD=12.9. What is the test statistic foe this sample? What is the P value for this sample? The p value is less than or greater than a? This test statistic leads to a decision to: reject the null, accept the null, or fail to reject the null?You wish to test the following claim (H.) at a significance level of a = 0.002. H.:µ = 55.7 На:и < 55.7 You believe the population is normally distributed, but you do not know the standard deviation. You obtain the following sample of data: data 24.5 35.2 1.8 10 What is the test statistic for this sample? (Report answer accurate to three decimal places.) test statistic = What is the p-value for this sample? (Report answer accurate to four decimal places.) p-value = The p-value is... O less than (or equal to) a greater than a This test statistic leads to a decision to... O reject the null hypothesis accept the null hypothesis fail to reject the null hypothesis As such, the final conclusion is that... O There is enough evidence to show that the population mean is not less than 55.7. There is not enough evidence to show that the population mean is not less than 55.7. OThere is enough evidence to show that the population mean is less than 55.7. There is not enough evidence to show that the…
- You wish to test the following claim (HaHa) at a significance level of α=0.01α=0.01. Ho:μ=86.2 Ha:μ<86.2You believe the population is normally distributed, but you do not know the standard deviation. You obtain the following sample of data: data 64.7 65.6 80.7 58.2 71.3 97.6 What is the test statistic for this sample? (Report answer accurate to three decimal places.)test statistic = What is the p-value for this sample? (Report answer accurate to four decimal places.)p-value = The p-value is... less than (or equal to) αα greater than αα This test statistic leads to a decision to... reject the null accept the null fail to reject the null As such, the final conclusion is that... The sample data support the claim that the population mean is less than 86.2. There is not sufficient sample evidence to support the claim that the population mean is less than 86.2. Next Next QuestionWhat is the test statistic and P value?The time to complete an exam is approximately Normal with a mean μ = 47 minutes and a standard deviation o = 8 minutes. The bell curve below represents the distribution for testing times. The scale on the horizontal axis is equal to the standard deviation. 1. Fill in the indicated boxes. μ-3σ μ-2ο μίσ + μ μ+o 47 minutes. 2. Used the Empirical Rule to complete the following statements: 95% of testing times were between and μ = 47 σ = 8 μ+20 μ+30 minutes and 55 minutes. minutes % of the testing times were between 39
- Apply the Empirical Rule to solve the following: The weight of a newborn manatee calf is normally distributed with a mean of 66 lbs and a standard deviation of 4 lbs. (Do NOT overuse the calculator on this problem. Apply the Empirical Rule.) a.Draw and label the normal curve. (Don’t forget the word label on the x-axis) b.What percent of manatee calves have a birth weight between 54 and 78 lbs? c. What percent of manatee calves have a birth weight of more than 74 lbs? d .What is the birth weight of the middle 68% of manatee calves? e. What percent of manatee calves weigh more than 58 lbs at birth? f. How much do the smallest 0.15% of manatee calves weigh at birth? g. What percent of manatee calves weigh less than 62 lbs at birth? h. What percent of manatee calves weigh 66 lbs or more at birth?You wish to test the following claim at a significance level of a=0.10. H0:U=81.8 H1:U<81.8You believe the population is normally distributed, but you do not know the standard deviation. You obtain a sample of size 90 with mean 77.6 and a standard deviation of 14.8.What is the test statistic for this sample? (Report answer accurate to 3 decimal places.)What is the p-value for this sample? (Report answer accurate to 4 decimal places.)This test statistic leads to a decision to reject the null accept the null fail to reject the null As such, the final conclusion is that there is sufficient evidence to conclude that the population mean is equal to 81.8. there is not sufficient evidence to conclude that the population mean is equal to 81.8. there is sufficient evidence to conclude that the population mean is less than 81.8. there is not sufficient evidence to conclude that the population mean is less than 81.8.
