EP BASIC BUS.STATS-ACCESS (18 WEEKS)
14th Edition
ISBN: 9780135989005
Author: BERENSON
Publisher: PEARSON CO
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Chapter 10, Problem 37PS
To determine
Determine the upper critical values of F in the following one-tail tests.
a.
b.
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Find the critical value F0 for a two-tailed test using α = 0.02, d.f.N = 5, and d.f.D = 10.
Find the critical value F0 for a one-tailed test using α = 0.01, d.f.N = 3, and d.f.D = 20.
You are performing a right-tailed test.If α=.01α=.01, find the critical value, to three decimal places.zα =
Chapter 10 Solutions
EP BASIC BUS.STATS-ACCESS (18 WEEKS)
Ch. 10 - If you have samples of n1=12andn2=15, in...Ch. 10 - Assume that you have a sample of n1=8, with the...Ch. 10 - What assumptions about the two populations are...Ch. 10 - Referring to Problem 10.2, construct a 95...Ch. 10 - Prob. 5PSCh. 10 - Referring to Problem 10.2, if n1=5andn2=4, at the...Ch. 10 - When people make estimates, they are influenced by...Ch. 10 - A recent study found that 51 children who watched...Ch. 10 - Is there a difference in the satisfaction rating...Ch. 10 - Accounting Today Identified the top accounting...
Ch. 10 - The annual NFL Super Bowl is the most widely...Ch. 10 - A bank with a branch located in a commercial...Ch. 10 - Repeat Problem 10.12 (a), assuming that the...Ch. 10 - As a member of the international strategic...Ch. 10 - Repeat Problem 10.14 (a), assuming that the...Ch. 10 - Prob. 16PSCh. 10 - Brand valuations are critical to CEOs, financial...Ch. 10 - Prob. 18PSCh. 10 - Prob. 19PSCh. 10 - Nine experts rated two brands of coffee in...Ch. 10 - How do the rating of TV and Internet services...Ch. 10 - Prob. 22PSCh. 10 - How do the fares for airlines that directly...Ch. 10 - Multiple myeloma, or blood plasma cancer, is...Ch. 10 - Prob. 25PSCh. 10 - The file Concrete1 contains the compressive...Ch. 10 - Prob. 27PSCh. 10 - Prob. 28PSCh. 10 - An online survey asked 1,004 adults “if...Ch. 10 - Does Cable Video-on Demand VODD4+ increase ad...Ch. 10 - Are you an impulse shopper? A survey of 500...Ch. 10 - The Society for Human Resource Management (SHRM)...Ch. 10 - What social media tools do marketers commonly use?...Ch. 10 - Prob. 34PSCh. 10 - Prob. 35PSCh. 10 - Prob. 36PSCh. 10 - Prob. 37PSCh. 10 - Prob. 38PSCh. 10 - The following information is available is for two...Ch. 10 - In Problem 10.39, how many degrees of freedom are...Ch. 10 - In problem 10.38 and 10.39, what is the upper-tail...Ch. 10 - In Problem 10.39, what is your statistical...Ch. 10 - The following information is available for two...Ch. 10 - Prob. 44PSCh. 10 - Prob. 45PSCh. 10 - Prob. 46PSCh. 10 - A bank with a branch located in a commercial...Ch. 10 - The annual NFL Super Bowl is the most widely...Ch. 10 - Prob. 49PSCh. 10 - Prob. 50PSCh. 10 - Prob. 51PSCh. 10 - Prob. 52PSCh. 10 - Prob. 53PSCh. 10 - What is the distinction between two independent...Ch. 10 - Prob. 55PSCh. 10 - Prob. 56PSCh. 10 - Prob. 57PSCh. 10 - The American Society for Quality (ASQ) conducted a...Ch. 10 - How do private universities and public colleges...Ch. 10 - Do males and females differ in the amount of time...Ch. 10 - The file Restaurants contains the rating for food,...Ch. 10 - A Computer information systems professor is...Ch. 10 - Do social shoppers differ other online consumers...Ch. 10 - Prob. 64PSCh. 10 - Prob. 65PSCh. 10 - Prob. 66PSCh. 10 - Prob. 67PSCh. 10 - Prob. 68PSCh. 10 - Prob. 69PSCh. 10 - Referring to the results of Problems 10.67 and...
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- What is the critical value when α = 0.05, degree of freedom = 15 in a left-tailed T test?A. -1.753B. -1.341C. 2.131D. 1.753arrow_forwardRecall the data for the three populations. p1 = 0.576 n1 = 250 p2 = 0.48 n2 = 300 p3 = 0.45 n3 = 200 Find the critical value for the pairwise difference between populations i = 1 and j = 3, CV13, rounding the result to four decimal places. CVij = ??2 pi(1 − pi) ni + pj(1 − pj) nj CV13 = ?20.05 p1(1 − p1) n1 + p3(1 − p3) n3 = 5.991 0.576(1 − 0.576) 250 + 0.45(1 − 0.45) = Find the critical value for the pairwise difference between populations i = 2 and j = 3, CV23, rounding the result to four decimal places. CVij = ??2 pi(1 − pi) ni + pj(1 − pj) nj CV23 = ?20.05 p2(1 − p2) n2 + p3(1 − p3) n3 = 5.991 0.48(1 − 0.48) 300 + 0.45(1 − 0.45) =arrow_forwardA researcher obtains M = 45 with SS = 250 for a sample of n = 10 women and M = 49 with SS = 270 for a sample of n = 10 men. If the two samples are used to evaluate the mean difference between the two populations, what value will be obtained for the t statistic?arrow_forward
- You are performing a two-tailed test.If α=.05α=.05, find the positive critical value, to three decimal places.zα/2 =arrow_forwardSuppose you will perform a test to determine whether there is sufficient evidence to support a claim of a linear correlation between two variables. Find the critical value(s) of r given that n = 20 and α = 0.05. Group of answer choices r = ±0.632 r = ±0.456 r = ±0.811 r = ±0.444arrow_forwardWith a = .01, what is the critical t value for a one-tailed test with n = 30? O t = 2.457 Ot = 2.462 Ot = 2.756 Ot = 2.750arrow_forward
- What is the critical value for a two-tailed t test when α = 0.02 and d.f. = 18?arrow_forwardneeds complete typed solution with 100 % accuracy.arrow_forwardWhat is the P-Value and Test Statistic of this problem. The dean of a university estimates that the mean number of classroom hours per week for full-time faculty is 11.0. As a member of the student council, you want to test this claim. A random sample of the number of classroom hours for eight full-time faculty for one week is shown in the table below. At α=0.01, can you reject the dean's claim? Complete parts (a) through (d) below. Assume the population is normally distributed. 12.9 8.9 13.2 8.3 6.3 9.6 13.7 9.6arrow_forward
- A. The reaction times of a subject to a stimulus are strongly skewed to the right because of a few slow reaction times. You wish to test Ho: μ1 = μ2 where μ1 is the mean reaction time for Stimulus 1, and μ2 for Stimulus 2. You have two independent samples, 8 observations for Stimulus 1 and 10 for Stimulus 2. Which, if any, of the tests you have studied can be used to test this? B.You read an article that contains a 95% confidence interval. Would the margin of error in a 99% confidence interval computed from the same data be less, the same, or greater?arrow_forwardA medical researcher is interested in determining if there is a relationship between adults over 50 who exercise regularly and levels of blood pressure. A random sample of 236 adults over 50 is selected and the results are given below. Calculate the test statistic to test the claim that regular exercise and blood pressure are independent. Use α = 0.01.arrow_forwardWith α = .05, what is the critical t value for a one-tailed test with n = 25? t = 2.064 t = 1.711 t = 2.060 t = 2.708arrow_forward
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