To test Ho: u = 40 versus H,: u<40, a random sample of size n=26 is obtained from a population that is known to be normally distributed. Complete parts (a) through (d) below. A Click here to view the t-Distribution Area in Right Tail. (a) If x = 37.9 ands = 14.8, compute the test statistic. (Round to three decimal places as needed.) (b) If the researcher decides to test this hypothesis at the a = 0.1 level of significance, determine the critical value(s). Although technology or at-distribution table can be used to find the critical value, in this problem use the t-distribution table given. Critical Value: (Round to three decimal places. Use a comma to separate answers as needed.) (c) Draw a t-distribution that depicts the critical region. Choose the correct answer below. O A. OB. Oc. Q Q d) Will the researcher reject the null hypothesis?

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To test Ho: µ=40 versus H,: µ<40, a random sample of size n= 26 is obtained from a population that is known to be normally distributed. Complete parts (a) through (d) below.
%3D
Click here to view the t-Distribution Area in Right Tail.
(a) If x= 37.9 and s = 14.8, compute the test statistic.
to = (Round to three decimal places as needed.)
%3D
(b) If the researcher decides to test this hypothesis at the a = 0.1 level of significance, determine the critical value(s). Although technology or a t-distribution table can be used to find the critical value, in
this problem use the t-distribution table given.
Critical Value:
(Round to three decimal places. Use a comma to separate answers as needed.)
(c) Draw a t-distribution that depicts the critical region. Choose the correct answer below.
O A.
В.
Oc.
-ta/2 0
ta12
- ta o
(d) Will the researcher reject the null hypothesis?
iek to soleot vour on swerle)
Transcribed Image Text:To test Ho: µ=40 versus H,: µ<40, a random sample of size n= 26 is obtained from a population that is known to be normally distributed. Complete parts (a) through (d) below. %3D Click here to view the t-Distribution Area in Right Tail. (a) If x= 37.9 and s = 14.8, compute the test statistic. to = (Round to three decimal places as needed.) %3D (b) If the researcher decides to test this hypothesis at the a = 0.1 level of significance, determine the critical value(s). Although technology or a t-distribution table can be used to find the critical value, in this problem use the t-distribution table given. Critical Value: (Round to three decimal places. Use a comma to separate answers as needed.) (c) Draw a t-distribution that depicts the critical region. Choose the correct answer below. O A. В. Oc. -ta/2 0 ta12 - ta o (d) Will the researcher reject the null hypothesis? iek to soleot vour on swerle)
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