Question

Exhibit 9-3 n = 49 \bar{x} = 54.8 s = 28 H_0: \mu \leq 50 H_a: \mu > 50 10. Refer to Exhibit 9-3. The test statistic is a. 0.1714 b. 0.3849 c. -1.2 d. 1.2 11. Refer to Exhibit 9-3. The $p$-value is between a. 0.01 to 0.025 b. 0.025 to 0.05 c. .05 to 0.1 d. 0.1 to 0.2 12. Refer to Exhibit 9-3. If the test is done at the 5\% level of significance, the null hypothesis should a. not be rejected b. be rejected c. Not enough information given to answer this question. d. None of these alternatives is correct.

          Exhibit 9-3
n = 49
\bar{x} = 54.8
s = 28
H_0: \mu \leq 50
H_a: \mu > 50
10. Refer to Exhibit 9-3. The test statistic is
a. 0.1714
b. 0.3849
c. -1.2
d. 1.2
11. Refer to Exhibit 9-3. The $p$-value is between
a. 0.01 to 0.025
b. 0.025 to 0.05
c. .05 to 0.1
d. 0.1 to 0.2
12. Refer to Exhibit 9-3. If the test is done at the 5\% level of significance, the null hypothesis should
a. not be rejected
b. be rejected
c. Not enough information given to answer this question.
d. None of these alternatives is correct.

Show more…

Exhibit 9-3
n = 49
x̅ = 54.8
s = 28
H0: μ≤50
Ha: μ> 50
10. Refer to Exhibit 9-3. The test statistic is
a. 0.1714
b. 0.3849
c. -1.2
d. 1.2
11. Refer to Exhibit 9-3. The p-value is between
a. 0.01 to 0.025
b. 0.025 to 0.05
c. .05 to 0.1
d. 0.1 to 0.2
12. Refer to Exhibit 9-3. If the test is done at the 5% level of significance, the null hypothesis should
a. not be rejected
b. be rejected
c. Not enough information given to answer this question.
d. None of these alternatives is correct.

Added by Andrea F.

Elementary Statistics a Step by Step Approach

Allan G. Bluman 9th Edition

Instant Answer

Solved by Expert Lucas Finney

10/17/2023

Step 1

Step 1: Calculate the test statistic using the formula: \[ \text{Test statistic} = \frac{x - \mu}{\frac{\sigma}{\sqrt{n}}} \] where \( x \) is the sample mean, \( \mu \) is the population mean under the null hypothesis, \( \sigma \) is the population standard Show more…

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answer questions 10-12 please Exhibit 9-3 n=49 x=54.8 $=28 Ho50 H>50 10.Refer to Exhibit 9-3.The test statistic is a.0.1714 b.0.3849 c.-1.2 d.1.2 11.Refer to Exhibit 9-3.The p-value is between a.0.01to0.025 b.0.025to0.05 c..05to 0.1 d.0.1 to 0.2 12. Refer to Exhibit 9-3.If the test is done at the 5% level of significance, the null hypothesis should a.not be rejected b.be rejected c. Not enough information given to answer this question d.None of these alternatives is correct.

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