I need a b cIts saying 1.6683 is incorrect.I need 4 decimals Determine the upper-tail critical value t,, in each of the following circumstances.a. 1-a=0.95, n=67b. 1-a=0.90, n=67c. 1-a=0.95, n=D41Click here to view page 1 of the table of critical values for the t distribution.Click here to view page 2 of the table of critical values for the t distribution.d. 1-a=0.95, n=25e. 1-a=0.99, n= 52a. t= 1.6683 (Round to four decimal places as needed.)reCon 1ion 5

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Answered: Determine the upper-tail critical value…

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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You need to test whether the average mealtime spending of American tourists (population 1) is greater than that for British tourists (population 2). Assume that you have a sample of n1=7 with sample mean X1=40 and a sample standard deviation of S1=6, and you have an independent sample of n2=16 from another population with a sample mean of X2=31 and sample standard deviation S2=5. Complete parts (a) to (d). Click here to view page 1 of the table of the critical values of t. LOADING... Click here to view page 2 of the table of the critical values of t. LOADING... a. What is the value of the pooled-variance t test statistic for testing? t=enter your response here (Type an integer or a decimal rounded to two decimal places as needed.) b. In finding the critical value of the test statistic t, how many degrees of freedom are there? There are enter your response here degrees of freedom. c. Using a significance level of α=0.01, what is the critical value for a…
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Determine the upper-tail critical value ta/2 in each of the following circumstances.

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