Suppose there is a claim that a certain population has a mean, H, that is different than 7. You want to test this claim. To do so, you collect a large random sample from the population and perform a hypothesis test at the 0.05 level of significance. To start this test, you write the null hypothesis, H, and the alternative hypothesis, H, as follows. Ho: H=7 H: p 7 Suppose you also know the following information. The value of the test statistic based on the sample is 2.075 (rounded to 3 decimal places). The p-value is 0.038 (rounded to 3 decimal places). (a) Complete the steps below for this hypothesis test.

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Suppose there is a claim that a certain population has a mean, P, that is different than 7. You want to test this claim. To do so, you collect a large random
sample from the population and perform a hypothesis test at the 0.05 level of significance. To start this test, you write the null hypothesis, H, and the
alternative hypothesis, H,, as follows.
Ho: u=7
H: µ 7
Suppose you also know the following information.
The value of the test statistic based on the sample is 2.075 (rounded to 3 decimal places).
The p-value is 0.038 (rounded to 3 decimal places).
(a) Complete the steps below for this hypothesis test.
Normal Distribution
Step 1: Select one-tailed or two-tailed.
O One-tailed
O Two-tailed
0.3-
Step 2: Enter the test statistic.
(Round to 3 decimal places.)
Check
Save For Later
Submit Assign
O 2021 McGraw-Hill Education. All Rights Reserved. Terms of Use | Privacy | Acce
DII
96
Transcribed Image Text:Suppose there is a claim that a certain population has a mean, P, that is different than 7. You want to test this claim. To do so, you collect a large random sample from the population and perform a hypothesis test at the 0.05 level of significance. To start this test, you write the null hypothesis, H, and the alternative hypothesis, H,, as follows. Ho: u=7 H: µ 7 Suppose you also know the following information. The value of the test statistic based on the sample is 2.075 (rounded to 3 decimal places). The p-value is 0.038 (rounded to 3 decimal places). (a) Complete the steps below for this hypothesis test. Normal Distribution Step 1: Select one-tailed or two-tailed. O One-tailed O Two-tailed 0.3- Step 2: Enter the test statistic. (Round to 3 decimal places.) Check Save For Later Submit Assign O 2021 McGraw-Hill Education. All Rights Reserved. Terms of Use | Privacy | Acce DII 96
O Two-tailed
0.3-
Step 2: Enter the test statistic.
(Round to 3 decimal places.)
0.2
00
Step 3: Shade the area represented by
the p-value.
0.1
Step 4: Enter the p-value.
(Round to 3 decimal places.)
(b) Based on
answer to part (a), which statement below is true?
O Since the p-value is less than (or equal to) the level of significance, the null hypothesis is rejected.
O Since the p-value is less than (or equal to) the level of significance, the null hypothesis is not rejected.
O Since the p-value is greater than the level of significance, the null hypothesis is rejected.
O Since the p-value is greater than the level of significance, the null hypothesis is not rejected.
Save For Later
Submit Assignment
Check
O 2021 McGraw-Hill Education. All Rights Reserved. Terms of Use Privacy I Accessibility
Transcribed Image Text:O Two-tailed 0.3- Step 2: Enter the test statistic. (Round to 3 decimal places.) 0.2 00 Step 3: Shade the area represented by the p-value. 0.1 Step 4: Enter the p-value. (Round to 3 decimal places.) (b) Based on answer to part (a), which statement below is true? O Since the p-value is less than (or equal to) the level of significance, the null hypothesis is rejected. O Since the p-value is less than (or equal to) the level of significance, the null hypothesis is not rejected. O Since the p-value is greater than the level of significance, the null hypothesis is rejected. O Since the p-value is greater than the level of significance, the null hypothesis is not rejected. Save For Later Submit Assignment Check O 2021 McGraw-Hill Education. All Rights Reserved. Terms of Use Privacy I Accessibility
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