You wish to test the following claim (Ha) at a significance level of a = 0.02. H₂:μ = 73.7 H₂:μ#73.7 You believe the population is normally distributed, but you do not know the standard deviation. You obtain a sample of size n = 4 with mean M = 57.9 and a standard deviation of SD = 13.7. What is the test statistic for this sample? (Report answer accurate to three decimal places.) test statistic = -2.307 or What is the p-value for this sample? (Report answer accurate to four decimal places.) p-value = 0.02107 x The p-value is... less than (or equal to) a greater than a

Q: Thirty-four percent of U.S adults have very little confidence in newspapers. You randomly select…

A: The binomial probability distribution is, PX=x=nxpx1-pn-x In the formula, n denotes the number of…

Q: Find the raw score which corresponds to z=1.6?

A:

Q: Would you favor spending more federal tax money on the arts? Of a random sample of n1 = 218 women,…

A:

Q: An attorney claims that more than 25% of all lawyers advertise. A sample of 200 lawyers in a certain…

A: Claim:p>0.25   n=200       x=63       p∧=xn=63200=0.315   α=0.05 ∴H0:  p=0.25     H1:   p>0.25…

Q: What is the z-score corresponding to P15 three decimal places

A: z-distribution represents the standard normal distribution. Standard normal distribution has bell…

Q: arch report states that t(18)=+3.09, p<. 05. For this test, r2 =. 33. True

A: Given: df = 18 test value (t) = 3.09

Q: How to calculate the "P-value"  by hand?

A: To calculate the p-value, we first need to perform a linear regression analysis on the given data,…

Q: how do you calculate the P-value without excel

A: From the given solution, we get z = -0.957    = -0.96       ( round upto 2 decimal places )…

Q: The z-score of student having a score of 75. O 0.556 O 0.672 O-0.556 O -0.752

A: We have given following data  82, 75, 88, 92, 62, 71, 84, 78, 86, and 81.  From the given data first…

Q: find p (1.2<z<1.75) refer to the table of z-scores

A: We have to find p (1.2&lt;z&lt;1.75) of z-score

Q: Given that p(A)=.55, p(B)=.35, and p(A| B)=.85, find p(A and B).

A: Since you have posted multiple questions, we will provide the solution only to the first question as…

Q: Would you favor spending more federal tax money on the arts? of a random sample ofn,91 politically…

A: The random variable is voters follows normal distribution. There are 2 independent samples which are…

Q: Would you favor spending more federal tax money on the arts? Of a random sample of n1 = 94…

A: State the hypotheses.   Let p1 denotes the population proportion of conservative voters inclined.…

Q: Compute the test statistic. Round to two decimal places.

A: Sample size, n=2027 No. of adults who drank diet soda, x=485

Q: What is the p-value only?

A: It is given that  In the original solution  The value of the test statistic is z = 3.92. The given…

Q: equal to

A: Let us consider 2 variables from the data given and t-test can be computed: The 2 variables under…

Q: Help me figure out what is a p-value?

A: In this case, we need to define the p-value.

Q: Would this be a t-test because the sample is less than 30?

A: From the given information, the population standard deviation is 2.

Q: Lydia wonders if all bag of candy she got were the same size, so she opens them and counts how many…

A: There are total 5 bags.

Q: ate Kobe was 6'6" (or 78 inches).  Suppose the average height of men is 5'9" (or 69") and SD is 3".…

A:

Q: Would you favor spending more federal tax money on the arts? Of a random sample of n1 = 87…

A: “Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: answer for letter d and e

A: Given datacompany           year 1 score          year 2 score Rite Aid                  76…

Q: In a t-test, if the resultant t value is -2.72 and p < 0.05, what is the interpretation?

A: Given info: In a t-test, the resultant t value is -2.72 and p &lt; 0.05.

Q: A study by Consumer Reports showed that 62% of supermarket shoppers believe supermarket brands to be…

A: a.) The following information has been given: Hypothesized population proportion is p=0.62. Null and…

Q: For the chi-square test of independence, how is the p-value evaluated?

A:

Q: What does The regular t test is designed to Evaluate?

A: The regular t-test is used to evaluate the difference in the means of the populations. t-test can…

Q: Would you favor spending more federal tax money on the arts? Of a random sample of n1 = 90…

A: From the provided information,

Q: find the value between z score -2.9 and 1.5287

A: To find: Find the value between z score -2.9 and 1.5287

Q: How did you get the p-value?

A:

Q: How to get the P-value without using the excel formula?

A: Given that, Sample mean (x̄) = 27.70 Population standard deviation (σ) = 9 Sample size (n) = 36 The…

Q: which valves have a 2-score less than 2.5

A:

Q: You have collected BMI data on a group of 30 college-age females. You are curious to find out how…

A: The different types of t test are: one sample t test independent samples t test dependent samples t…

Q: Whats the formula for converting a z score to t score?

A: What is the formula for converting a z score to t score?

Q: What does the P-value represent

A: The P-value is the probability of getting test results as extreme as possible as observed results,…

Q: Use the p-value to draw and explain your conclusion of the test

A: Solution: Given information:  The value of the test statistic is  t= 1.9781  Degree of freedom = df…

Q: A graduate student in leisure studies wants to know the short-term effect of a 4-day bicycle tour on…

A: The different types of t test for two samples are: independent samples t test dependent samples t…

Q: What’s the formula to turn a Z score to a T score?

A: The  score is the standardized score obtained by using population data or large samples .The  score…

Q: okay but is the p value GIVEN by the t test lower?

A: The graph shows the comparison of the group averages of static balance on left leg with eyes open vs…