What is the critical F-value 0.01 & F-value 0.05 when the sample size for the numerator is six and the sample size for the denominatorIs five? Use a two-talled test and the 0.10 significance level. (Round your answer to 2 decimal places.)Answer is complete but not entirely correct.F-value4.95 X

n1=6n2=5The degrees of freedom for the numerator: df1=n1-1=6-1=5The degrees of freedom for the…

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MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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A business has just completed a marketing campaign. They want to determine if their original market share of 50% has increased as a result of the campaign. A survey conducted found 81 out of 150 people had bought the products. Determine whether the company has increased its market share i. Write down the null and alternative hypotheses for this test.ii. The sample proportion value is missing from the output above. What is this value?iii. Explain why we can use the following test static to conduct this test.? =?̂− ?√??⁄?iv. Use either the ?-value or the ? statistic in the output provided to conduct the test. Has the market share of the company increased?v. The marketing team plan to continue to monitor their market share. In a future study, they want to be able to estimate their market share to within +/−5% and with 90% confidence. What size sample is required? Use the sample proportion from part ii.
population mean, i, at the given lével of significance using the given sample statistics. ples (fo Claim: u = 40; a = 0.06; ở = 3.75. Sample statistics: x = 38.5, n = 52 signme Identify the null and alternative hypotheses. Choose the correct answer below. radeboc O A. Ho:H= 40 Ha: H# 40 O B. Ho: H= 40 Hg:H 40 OF. Ho: H40 HaiH = 40 Accessibl Resource Ha:H = 40 Calculate the standardized test statistic. Tools for The standardized test statistic is. (Round to two decimal places as needed.) Multimed Determine the critical value(s). Select the correct choice below and fill in the answer box to complete your choice. (Round to two decimal places as needed.) O A. The critical value is Click to select your answer(s). МacВook Air 888 @ %23 2$ & 2 3 5 6 7 Q E Y P A G K C V M on command com 00 つ R
True or False? H0 for the sign test always states that the mean difference between the matched or paired samples is zero. 5
Constructing a Confidence Interval for a Population Mean Karen wants to advertise how many chocolate chips are in each Big Chip cookie at her bakery. She randomly selects a sample of 11 cookies and finds that the number of chocolate chips per cookie in the sample has a mean of 6.6 and a standard deviation of 3.3. Find a 98% confidence interval for the number of chocolate chips per cookie for Big Chip cookies? Round your answers to one decimal place. < μ <
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Obtain the standard error of difference of sample proportions.
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You want to compare differences in prior arrests across ethnicity in your study, you measured ethnicity as white =0 black =1 hispanic=2, and other =3. Prior arrests was recorded as the number of prior arrests. which test would you perform to see if arrests differ across diffrent ethnic categories? A. ANOVA B. T-test
Can you answer whats blank?
A random sample of size 21 was taken from a normal population. The sample average was 9.87 and the sample SD was 1.17. At the significance level of 10%, what test should you use for testing whether the population mean equals 9.7? One sample z-test for the population mean. two sample z-test for the population means. One sample z-test for proportions. two sample z-test for proportions. one sample t-test for the population mean. 3 26

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What is the critical F-value 0.01 & F-value 0.05 when the sample size for the numerator is six and the sample size for the denominator Is five? Use a two-talled test and the 0.10 significance level. (Round your answer to 2 decimal places.) Answer is complete but not entirely correct.