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Secure https//www.mathxl.com/Student/Player Test.aspx?testld-163850812&centerwin-yes; QMB2100.791F17 Bus Economic Statistics Quiz: Chapter 10 Post-Quiz Submit Quiz This Question: 1 pt 4015(1 complete) This Quiz: 5 pts possible The accompanying table shows two samples that were collected as matched pairs. Complete parts (a) through (d) below Click the icon to view the data table a. State the null and alternative hypotheses to test if the population represented by Sample 1 has a mean that is 2 0 units higher than the population represented by Sample 2 Let pa be the population mean of matched-pair differences for Sample 1 minus Sample 2. State the null and aternative hypotheses Choose the correct answer below Data Table m, -20 Pair Sample1Sample 2 m, -20 b. Calculate the appropriate test statistic and interpret the The test statistic is (Round to two decimal places as Click to select your answeris) Print Done Chapter 2 Post-Test

Explanation / Answer

The statistical software output for this problem is:

Paired T hypothesis test:
D = 1 - 2 : Mean of the difference between Sample 1 and Sample 2
H0 : D = 2
HA : D > 2
Hypothesis test results:

Hence,

Hypotheses: Option E is correct.

Test statistic = 0.73

Critical value = 1.89

is less than; do not reject; no

p - value = 0.244

is less than; do not reject; no

Assumptions: Option A is correct.

Difference Mean Std. Err. DF T-Stat P-value Sample 1 - Sample 2 3 1.3627703 7 0.73379939 0.2435

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