Decide whether the normal sampling distribution can be used. If it can be used, test the claim about the difference between two population proportions p1 and p2 at the given level of significance α using the given sample statistics. Assume the sample statistics are from independent random samples. Claim: p1=p2, α=0.10 Sample statistics: x1=142, n1=156 and x2=144, n2=188 Find the standardized test statistic
Q: Decide whether the normal sampling distribution can be used. If it can be used, test the claim…
A: Yes, normal sampling distribution can be used because both 'np' and 'nq' are greater than or equal…
Q: Given in the table are the BMI statistics for random samples of men and women. Assume that the two…
A: Let X1 and X2 be the random sample representing the BMI for the males and females.The following…
Q: Assume that both samples are independent simple random samples from populations having normal…
A:
Q: using the given sample statistics. Assume the sample statistics are from independent random samples.…
A: Note: According to Bartleby guidelines expert solve only one question and maximum three subpart of…
Q: (c) The P-value is
A: here from given information claim: two samples given comes from populations with same mean
Q: For the data presented below, use SPSS to conduct a Pearson r test to determine if a significant…
A: Introduction:Assume that the data are at least approximately normal.The null and alternate…
Q: A sample mean, sample size, and sample standard deviation are provided below. Use the one-mean…
A: given data, one- mean t- test α=0.01n=15S=4X¯= 21hypothesis:H0:μ=25H1:μ=25we have to answer for the…
Q: Given in the table are the BMI statistics for random samples of men and women. Assume that the two…
A: a) The hypotheses can be constructed as: Null hypothesis: H0: µ1 = µ2 Alternative hypothesis: H1:…
Q: A study was done using a treatment group and a placebo group. The results are shown in the table.…
A: Given that, A study was done using a treatment group and a placebo group. The results are shown in…
Q: A study was done using a treatment group and a placebo group. The results are shown in the table.…
A: Any assumption about the parameter or probability function. There is always some contention about…
Q: statistics. Assume the population is normally distributed on mean p at the given level of…
A: Here given. μ=51,700; α=0.10 Sample statistics: Sample mean =50348 Sample standard deviation…
Q: Determine whether a normal sampling distribution can be used for the following sample statistics. If…
A: In statistical hypothesis testing, the use of a normal sampling distribution is crucial for making…
Q: Test the claim below about the mean of the differences for a population of paired data at the level…
A: Hypothesis: The null and alternative hypotheses are below: H0:μd≥0Ha:μd<0 Answer: Option B The…
Q: The prices of a sample of books at University A were obtained by two statistics students. Then the…
A: Given Alpha=0.05 n=15
Q: Use the normal distribution and the sample results to complete the test of the hypotheses. Use a 5%…
A: We want to test the hypothesis
Q: Determine whether a normal sampling distribution can be used for the following sample statistics. If…
A: ## Determining the Appropriate Sampling DistributionIn the given problem, we need to determine…
Q: Find the standardized test statistic, t, to test the claim that u, #4, Two samples are randomly…
A:
Q: A study was done using a treatment group and a placebo group. The results are shown in the table.…
A: Population variances are unequal.
Q: Find the standardized test statistic, z, to test the hypothesis that p1 < p2. Use α = 0.10.
A:
Q: Use technology to help you test the claim about the population mean, u, at the given level of…
A: Solution: The given claim is µ≤1250. From the given information, n=300, x-bar=1266 and σ=202.48.
Q: Decide whether the normal sampling distribution can be used. If it can be used, test the claim…
A: Here n1 = 155 and n2 = 181 are greater than 30 i.e. large samples Hence we can use normal sampling…
Q: Use technology to help you test the claim about the population mean, p, at the given level of…
A: Given that the standardized test statistic is 2.56. Here, the test is right tail test.
Q: Also need help with finding out the Test satistic and P Vaule.
A: Given Information: Male: Sample size n1=40 Sample mean x¯1=27.8576 Sample standard deviation…
Q: Use technology to help you test the claim about the population mean, u, at the given level of…
A: Given: μ=1290σ=206.33α=0.05x¯=1319.78n=250
Q: Determine whether a normal sampling distribution can be used for the following sample statistics. If…
A: Given, x1=38n1=72x2=37n2=82α=0.01
Q: A study was done using a treatment group and a placebo group. The results are shown in the table.…
A: We have given that Treatment Placebo μ μ1 μ2 n 28 32 x 2.35…
Q: Given in the table are the BMI statistics for random samples of men and women. Assume that the two…
A: Given that: Male BMI Female BMI μ μ1 μ2 n 41 41 x¯ 27.8361 25.2703 s 8.615006 4.560128…
Q: Test the claim below about the mean of the differences for a population of paired data at the level…
A: Solution: From the given information, d-bar=3.1, sd=8.72 and n=9.
Q: Determine whether a normal sampling distribution can be used for the following sample statistics. If…
A: Step 1: Step 2: Step 3: Step 4:
Q: Decide whether the normal sampling distribution can be used. If it can be used, test the claim about…
A: Given Alpha=0.10 X1=108 n1=128 X1=32 n1=195
Q: Determine whether a normal sampling distribution can be used for the following sample statistics. If…
A:
Q: Decide whether the normal sampling distribution can be used. If it can be used, test the claim…
A: Checking conditions: n1p^1=168×148168=148>10 n11-p^1=168×1-148168=20>10…
Q: Use a t-test to test the claim about the population mean at the given level of significance using…
A: Given, population mean = μ = 25x = 23.1standard deviation = s = 4.5sample size = n = 12Level of…
Q: The prices of a sample of books at University A were obtained by two statistics students. Then the…
A: (a) Use EXCEL to obtain the sample mean of University A. Follow the instruction to obtain the…
Q: Given in the table are the BMI statistics for random samples of men and women. Assume that the two…
A: Hello! As you have posted more than 3 sub parts, we are answering the first 3 sub-parts. In case…
Q: Decide whether the normal sampling distribution can be used. If it can be used, test the claim…
A: Givenp^=0.24n=100α=0.01claim:-p≠0.28np=100×0.28=28 >5nq=100×(1-0.28)=72>5Both np and nq are…
Q: Test the claim below about the mean of the differences for a population of paired data at the level…
A: Given, Samples are random and dependent. Populations are normally distributed. Claim: μd<0 Level…
|
Claim:
|
p1=p2,
α=0.10
|
|
Sample statistics:
|
x1=142,
n1=156
and
x2=144,
n2=188
|
Trending now
This is a popular solution!
Step by step
Solved in 2 steps with 2 images
- Determine whether a normal sampling distribution can be used for the following sample statistics. If it can be used, test the claim about the difference between two population proportions p, and p, at the level of significance a. Assume that the samples are random and independent. Claim: p1 # p2, a = 0.01 Sample Statistics: x, = 37, n, = 65, x2 = 38, n2 = 55 %3D Determine whether a normal sampling distribution can be used. The samples are random and independent. A normal sampling distribution be used because n, p= , n1q=, n2p: and n29 = %3D (Round to two decimal places as needed.) State the null and alternative hypotheses, if applicable. O A. Ho: P12 P2 Ha: P1 P2 D. The conditions to use a normal sampling distribution are not met. Calculate the standardized test statistic for the difference p, - P2, if applicable. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O A. (Round to two decimal places as needed.) O B. The conditions to use a…Determine whether a normal sampling distribution can be used for the following sample statistics. If it can be used, test the claim about the difference between two population proportions p1 and p2 at the level of significance α. Assume that the samples are random and independent. Claim: p1≠p2, α=0.01 Sample Statistics: x1=36, n1=75, x2=38, n2= 65 State the null and alternative hypotheses, if applicable. Calculate the standardized test statistic for the difference p1−p2, if applicable. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. Calculate the P-value, if applicable. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. State the conclusion of the hypothesis test, if applicable. Choose the correct answer below.Plz help asap 41
- A study was done using a treatment group and a placebo group. The results are shown in the table. Assume that the two samples are independent simple random. samples selected from normally distributed populations, and do not assume that the population standard deviations are equal. Complete parts (a) and (b) below. Use a 0.01 significance level for both parts. a. Test the claim that the two samples are from populations with the same mean. What are the null and alternative hypotheses? OA. Ho: H1 H2 H₁₁₂ The test statistic, t, is (Round to two decimal places as needed.) OB. Ho: H₁₂ H₁: H₁Test whether µ, <µ, at the a = 0.01 level of significance for the sample data shown in the accompanying table. Assume that the populations are normally distributed. Click the icon to view the data table. Determine the null and alternative hypothesis for this test. A. Ho:H1An independent measures study with n = 6 in each sample produces a sample mean difference of 8 points and Sm1-m2= 2. What is the value for the T statistic? A. 1 B. 2 C. 4 D. 4/-8Calculate the test statistic (t) and p-value.Determine whether a normal sampling distribution can be used for the following sample statistics. If it can be used, test the claim about the difference between two population proportions p1 and p2at the level of significance α. Assume that the samples are random and independent. Claim: p1≠p2, α=0.01 Sample Statistics: x1=36, n1=75, x2=38, n2=65 Determine whether a normal sampling distribution can be used. The samples are random and independent. A normal sampling distribution cannot can be used because n1p=enter your response here, n1q=enter your response here, n2p=enter your response here, and n2q=enter your response here. (Round to two decimal places as needed.) State the null and alternative hypotheses, if applicable. A. H0: p1=p2 Ha: p1≠p2 B. H0: p1≤p2 Ha: p1>p2 C. H0: p1≥p2 Ha: p1<p2 D. The conditions to use a normal sampling distribution are not met. Calculate the standardized test statistic for…Test the claim below about the mean of the differences for a population of paired data at the level of significance a. Assume the samples are random and dependent, and the populations are normally distributed. Claim: 0 = 0 E. Ho: Hd 0 Ha: Hd s0 The test statistic is t= 1.43 . (Round to two decimal places as needed.) The critical value(s) is(are) to = (Round to two decimal places as needed. Use a comma to separate answers as needed.)Given in the table are the BMI statistics for random samples of men and women. Assume that the two samples are independent simple random samples selected from normally distributed populations, and do not assume that the population standard deviations are equal. Complete parts (a) and (b) below. a. Use a 0.05 significance level, and test the claim that males and females have the same mean body mass index (BMI). What are the null and alternative hypotheses? OA. Ho: H₁ H₂ H₁ H₁ H₂ OC. Ho: H₁ H₂ H₁: H₁ H₂ The test statistic, t, is The P-value is . (Round to two decimal places as needed.) (Round to three decimal places as needed.) State the conclusion for the test. OB. Ho: H₁ H₂ H₁: H₁ H₂ OD. Ho: H₁ = H₂ H₁: H1 H₂ O A. Fail to reject the null hypothesis. There is not sufficient evidence to warrant rejection of the claim that men and women have the same mean BMI. O B. Fail to reject the null hypothesis. There is sufficient evidence to warrant rejection of the claim that men and women have…Data on the weights (lb) of the contents of cans of diet soda versus the contents of cans of the regular version of the soda is summarized to the right. Assume that the two samples are independent simple random samples selected from normally distributed populations, and do not assume that the population standard deviations are equal. Complete parts (a) and (b) below. Use a 0.05 significance level for both parts. a. Test the claim that the contents of cans of diet soda have weights with a mean that is less than the mean for the regular soda. What are the null and alternative hypotheses? OA. Ho: H₁ H₂ H₁: H₁ H₂ O C. Ho: H#2 H₁ H₁Determine whether a normal sampling distribution can be used for the following sample statistics. If it can be used, test the claim about the difference between two population proportions p1 and p2 at the level of significance α. Assume that the samples are random and independent. Claim: p1≠p2, α=0.01 Sample Statistics: x1=32, n1=75, x2=30, n2=65 Find the standardized test statistic using excel.SEE MORE QUESTIONSRecommended textbooks for youMATLAB: An Introduction with ApplicationsStatisticsISBN:9781119256830Author:Amos GilatPublisher:John Wiley & Sons Inc
Probability and Statistics for Engineering and th…StatisticsISBN:9781305251809Author:Jay L. DevorePublisher:Cengage Learning
Statistics for The Behavioral Sciences (MindTap C…StatisticsISBN:9781305504912Author:Frederick J Gravetter, Larry B. WallnauPublisher:Cengage Learning
Elementary Statistics: Picturing the World (7th E…StatisticsISBN:9780134683416Author:Ron Larson, Betsy FarberPublisher:PEARSON
The Basic Practice of StatisticsStatisticsISBN:9781319042578Author:David S. Moore, William I. Notz, Michael A. FlignerPublisher:W. H. Freeman
Introduction to the Practice of StatisticsStatisticsISBN:9781319013387Author:David S. Moore, George P. McCabe, Bruce A. CraigPublisher:W. H. FreemanMATLAB: An Introduction with ApplicationsStatisticsISBN:9781119256830Author:Amos GilatPublisher:John Wiley & Sons IncProbability and Statistics for Engineering and th…StatisticsISBN:9781305251809Author:Jay L. DevorePublisher:Cengage LearningStatistics for The Behavioral Sciences (MindTap C…StatisticsISBN:9781305504912Author:Frederick J Gravetter, Larry B. WallnauPublisher:Cengage LearningElementary Statistics: Picturing the World (7th E…StatisticsISBN:9780134683416Author:Ron Larson, Betsy FarberPublisher:PEARSONThe Basic Practice of StatisticsStatisticsISBN:9781319042578Author:David S. Moore, William I. Notz, Michael A. FlignerPublisher:W. H. FreemanIntroduction to the Practice of StatisticsStatisticsISBN:9781319013387Author:David S. Moore, George P. McCabe, Bruce A. CraigPublisher:W. H. Freeman