Assume that we want to construct a confidence interval. Do one of the following, as appropriate. (a) Find the critical value zα/2, (b) find the critical value tα/2, or (c) state that neither the normal nor the t distribution applies. Confidence level is 90%, σ=24.8, and the histogram of right-eye vision measurements from a random sample of 58 adult males is shown to the right. 05010015020001020304050Vision in Right EyeFrequency A histogram has a horizontal axis labeled "Vision in Right Eye" from 0 to greater than 200 in increments of 25 and a vertical axis labeled Frequency from 0 to 50 in increments of 10. The histogram contains vertical bars of width 25, where each vertical bar is centered over a horizontal axis tick mark. The heights of the three vertical bars are as follows, where the horizontal axis value is listed first and the height is listed second: 25, 39; 50, 17; 200, 2. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. A. zα/2=enter your response here (Round to two decimal places as needed.) B. tα/2=enter your response here (Round to two decimal places as needed.) C. Neither the normal nor the t distribution applie

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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Related questions

Question

Assume that we want to construct a confidence interval. Do one of the following, as appropriate. (a) Find the critical value

zα/2,

(b) find the critical value

tα/2,

or (c) state that neither the normal nor the t distribution applies.

Confidence level is

90%,

σ=24.8,

and the histogram of right-eye vision measurements from a random sample of

adult males is shown to the right.

05010015020001020304050Vision in Right EyeFrequency

A histogram has a horizontal axis labeled "Vision in Right Eye" from 0 to greater than 200 in increments of 25 and a vertical axis labeled Frequency from 0 to 50 in increments of 10. The histogram contains vertical bars of width 25, where each vertical bar is centered over a horizontal axis tick mark. The heights of the three vertical bars are as follows, where the horizontal axis value is listed first and the height is listed second: 25, 39; 50, 17; 200, 2.