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ision about the null hypothesis.

ision about the null hypothesis.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 26PFA
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Conduct a t-test at the .01 level.

Find the correct decision about the null hypothesis.

(A) Because the t-statistic exceeds the critical values, we fail to reject the null hypothesis.


(B) Because the t-statistic exceeds the critical values, we reject the null hypothesis.


(C) Because the t-statistic does not exceed the critical values, we fail to reject the null hypothesis.


(D) Because the t-statistic does not exceed the critical values, we reject the null hypothesis.

 

In your sample, there are two groups of people: those who have a high school degree and those who have a bachelor's degree or higher. The following table shows the sample statistics of the two groups. You hypothesize that in general those who have a bachelor's degree or higher should earn more than those who have a high school degree. The estimated standard error is $360. Education Group 1 High school Group 2 BA or higher Sample size 361 mean $19,500 st.dev $3,800 169 $20,500 $3,900
Transcribed Image Text:In your sample, there are two groups of people: those who have a high school degree and those who have a bachelor's degree or higher. The following table shows the sample statistics of the two groups. You hypothesize that in general those who have a bachelor's degree or higher should earn more than those who have a high school degree. The estimated standard error is $360. Education Group 1 High school Group 2 BA or higher Sample size 361 mean $19,500 st.dev $3,800 169 $20,500 $3,900
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