2-find the tast statistic 3- find p-value 4- what is an appropriate conclusion for the test?

Q: test statistic and P vaule?

A: Consider the following: Friday the 6th Friday the 13th Difference = Friday the 6th - Friday the…

Q: If the standard error of the mean is 10 for n = 100, what must the sample size be to reduce the…

A: Standard error of the mean=E1=10And Sample size n1=100Standard error=E2=5

Q: erform a 1-sample test for the median being 13 with the following data at the α = 0.05 threshold and…

A: The objective is to test whether the sample median is equal to the hypothesized median 13.

Q: Hello, I need help with sign tests and how to find the test statistic and p-value.

A: A nonparametric test is a hypothesis test that does not require any specific conditions concerning…

Q: value, Test Statistic and Hypotheses

A: From the available information, the population is normal with unknown population standard deviation.…

Q: confidence interval for the mean response” and prediction interval” for a New response is.

A: The difference between the " confidence interval for the mean response"  and the prediction interval…

Q: What is the inter-quartile range for the following data? You must show work. 27, 29, 29, 30, 24, 25,…

A: From the provided information,The data values in ascending order are as follow:4, 8, 17, 23, 24, 25,…

Q: Has To answer that question, we consider the Cherry Blossom Race, a 10-mile race ru Washington D.C.…

A: note that,  population standard deviation is known.

Q: How does the mean age of employees affect their performance? Why is there a need to strictly…

A: It is given to determine whether or not the mean age of employees affect their performance.

Q: what is an example of test measure for validity?

A: Mathematically, the validity coefficient measures the validity of a test which is related to…

Q: What is the F-value when the sample for the numerator is nine and the sample size for the…

A: Sample size of numerator=n1=9Sample size of denominator=n2=6

Q: The number of incidents in which police were needed for a sample of 10 schools in ABC University is…

A: Given  The data are 7,37,3,8,48,11,6,10,15,25

Q: The U.S. Department of Transportation, National Highway Traffic Safety Administration, reported that…

A: From the provided information, Sample size (n) = 54 Out of which 35 involved an intoxicated driver.…

Q: A result is significant at the 0.01 level. Explain why it must also be significant at the 0.05…

A: 1.   It is needed to elaborate the relation of P-value with level of significance.

Q: A data set lists earthquake depths. The summary statistics are n= 600, x= 6.66 km, s = 4.48 km. Use…

A: We have given that  Sample size n=600 , sample mean =6.66 ,s=4.48 and mu=6.00  Level of significance…

Q: there are two part for the question, I want the answer for the test statistics and the P- Value…

A: From the given technology display Sample mean (x̅) = 2.84243 Standard error (SE) = 0.247671 Sample…

Q: What type of statistic test would I perform for this questions, Is there a relationship between…

A: Chi-square test:   A single simple random sampling is done with each individual being classified…

Q: Hello can you please help me with this? Can you please provide details so I can understand and if…

A: The objective of this question is to test the claim that the proportion of homes in Oregon that are…

Q: B. There is no significant difference between the perceived level of riskiness of rebellious…

A: Given Data : Mean : Males = Sum / n  = 20.533/10 = 2.0533 Mean : Females = Sum / n  = 17.791/10 =…

Q: A research scientist wishes to test the claim that the mean number of units taken by community…

A: Given,  Population mean =μ=8Sample size =n= 34

Q: Using the p-value method, should be rejected at the  level of significance?  Why or why not?

A: We performed t-test for difference between two means assuming equal variances in Excel. Test…

Q: Find the standardized test statistic t for a sample with n= 20, x = 13, s= 2.0, and a=0.05 if H: u <…

A: As per guideline expert have to answer first question only.

Q: Hello, I need help with sign tests and finding the test statistic and p values.

A: A nonparametric test is a hypothesis test that does not require any specific conditions concerning…

Q: Karissa and Angela are two friends who say they have no previous knowledge of statistics. They are…

A: Note: Hi there! Thank you for posting the question. As there are multiple sub parts, according to…

Q: What are two reasons that some people in the field believe significance testing should be banned?…

A: Here we want to discuss reasons that some people in the field believe significance testing should be…

Q: Describe about the Level of Significance or p -Value?

A: Level of significance: The significance level is a value used as a criterion for deciding how small…

Q: Team Salary Year Stadium Attendance League |($ mil) mil Home Rur BA Wins ERA Opened mondbacks…

A: The given data set is:

Q: What is the test statistic? What is P-value? Reject or Fail to reject?

A: Hello! As you have posted more than 3 sub parts, we are answering the first 3 sub-parts.  In case…

Q: 4. When does the Normal model with mean p and standard deviation pq work well as a model for the…

A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: A pipes manufacturer makes pipes with a length that is supposed to be 18 inches. A quality control…

A:

Q: The test statistic is correct, but the p-value is wrong.

A: Use Excel function "=NORM.S.DIST(2.45,TRUE)", to obtain the p-value.

Q: Sample Question Female Physicians The percentage of physicians who are women is 27.9%. In a survey…

A: Given : Population proportion = p = 0.279 Number of physicians selected = 44 total number of…

Q: What are the variables, what scale of measurement is each variable (nominal,ordinal,or continuous).…

A: The high school teacher was interested in whether there is a gender difference in terms of the…

Q: Pick the Test (Z-test, Single Sample T-test, Independent Sample T-test, Paired Sample Ttest, ANOVA)…

A: The data on scores of homophobia is collected from 10 men and 10 women.

Q: What is an appropriate statistic to use for whether race/ethnicity (white, person of color) affects…

A: Test is that whether race/ethnicity affects whether or not people feel safe in their neighborhood.

Q: Can you explain how you find the p-value of the test statistic

A: The test statistic is -2.25 and the degrees of freedom is 80.

Q: Why do you need to know the sampling distribution of the difference between two sample means in…

A: In this case, we need to find the reason for identifying the sampling distribution of the difference…

Q: Please help find the test statistic, the p-value of the test, if we reject the null, and if there is…

A: Solution: State the hypotheses Null hypothesis: That is, the rate of inaccurate orders is equal to…

Q: 4. We have left tail test. Does a test statistic of -1.78 have a larger p-value than a test…

A: Answer - We have left tail test.               Does a test statistic of -1.78 have a larger p-value…

Q: Treatment| Placebo A study was done using a treatment group and a placebo group. The results are…

A: From the provided information,

Q: Classify the hypothesis test as two-tailed, left-tailed, or right-tailed. A psychologist has…

A: Given that  Population mean μ =26

Q: 7. If we change the significance level from 5% to 1% how will that change affect the pvalue for the…

A: P value is probability of getting extreme results than what is observed. *Suppose you are doing left…