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To test Ho: μ = 50 versus H₁ μ<50, a random sample of size n = 22 is obtained from a population that is known to be normally distributed. Complete parts (a) through (d) below. Click here to view the t-Distribution Area in Right Tail.

To test Ho: μ = 50 versus H₁ μ<50, a random sample of size n = 22 is obtained from a population that is known to be normally distributed. Complete parts (a) through (d) below. Click here to view the t-Distribution Area in Right Tail.

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 14PPS
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Complete a-d.
To test Ho: μ = 50 versus H₁: μ<50, a random sample of size n = 22 is obtained from a population that is known to be normally distributed. Complete parts (a) through (d) below. Click here to view the t-Distribution Area in Right Tail. 0 1₁ (d) Will the researcher reject the null hypothesis? O OA. No, because the test statistic falls in the critical region. B. Yes, because the test statistic falls in the critical region. OC. No, because the test statistic does not fall in the critical region. OD. Yes, because the test statistic does not fall in the critical region. i 0 (99+ -1α/2 0 2 ta/2 Next
Transcribed Image Text:To test Ho: μ = 50 versus H₁: μ<50, a random sample of size n = 22 is obtained from a population that is known to be normally distributed. Complete parts (a) through (d) below. Click here to view the t-Distribution Area in Right Tail. 0 1₁ (d) Will the researcher reject the null hypothesis? O OA. No, because the test statistic falls in the critical region. B. Yes, because the test statistic falls in the critical region. OC. No, because the test statistic does not fall in the critical region. OD. Yes, because the test statistic does not fall in the critical region. i 0 (99+ -1α/2 0 2 ta/2 Next
To test Ho: μ = 50 versus H₁ μ<50, a random sample of size n = 22 is obtained from a population that is known to be normally distributed. Complete parts (a) through (d) below. Click here to view the t-Distribution Area in Right Tail. (a) If x=47.5 and s= 10.4, compute the test statistic. (Round to three decimal places as needed.) to = (b) If the researcher decides to test this hypothesis at the a= 0.05 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. OA. OB. O C. Q 99+ 4 Next C
Transcribed Image Text:To test Ho: μ = 50 versus H₁ μ<50, a random sample of size n = 22 is obtained from a population that is known to be normally distributed. Complete parts (a) through (d) below. Click here to view the t-Distribution Area in Right Tail. (a) If x=47.5 and s= 10.4, compute the test statistic. (Round to three decimal places as needed.) to = (b) If the researcher decides to test this hypothesis at the a= 0.05 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. OA. OB. O C. Q 99+ 4 Next C
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