What is the value of test statistic for this test.? Sixty gym members were randomly selected and their weights were recorded and inputted into MINITAB. The results are summarized in Exhibit 1 below.**One-Sample Z: Weight**Test of mu = 195 vs < 195 The assumed standard deviation = 22.11| Variable | N | Mean | StDev | SE Mean ||----------|----|--------|-------|---------|| Weight | 60 | 193.13 | 22.11 | * |**Explanation:**- **One-Sample Z Test:** This statistical test is being used to determine if the mean weight of the sample is less than 195 pounds.- **N (Number of Participants):** 60 gym members were part of this study.- **Mean Weight:** The average weight of the participants is 193.13 pounds.- **StDev (Standard Deviation):** The standard deviation, which measures the amount of variation or dispersion of the weights, is 22.11 pounds.- **SE Mean (Standard Error of the Mean):** Typically, this would represent the standard deviation of the sample mean. However, it is not provided here and is marked with an asterisk (*).

Given that, Sample size n=60 Sample mean x¯=193.13 Population standard deviation σ=22.11

Sixty gym members were randomly selected and their weights were recorded and inputted into MINITAB. The results are summarized in Exhibit 1 below. One-Sample Z: Weight Test of mu = 195 vs < 195 The assumed standard deviation = 22.11 Variable N Мean StDev SE Mean Weight 60 193.13 22.11

Sixty gym members were randomly selected and their weights were recorded and inputted into MINITAB. The results are summarized in Exhibit 1 below. One-Sample Z: Weight Test of mu = 195 vs < 195 The assumed standard deviation = 22.11 Variable N Мean StDev SE Mean Weight 60 193.13 22.11

MATLAB: An Introduction with Applications

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ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

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Concept explainers

Confidence Intervals

When we calculate intervals in probability and statistics, it can be simply termed as finding out a confidence interval. The confidence interval is usually calculated from the data set which is observed. The value of the parameter that needs to be calculated is present here only.

Question

What is the value of test statistic for this test.?

Sixty gym members were randomly selected and their weights were recorded and inputted into MINITAB. The results are summarized in Exhibit 1 below.

**One-Sample Z: Weight**

Test of mu = 195 vs < 195
The assumed standard deviation = 22.11

| Variable | N | Mean | StDev | SE Mean |
|----------|----|--------|-------|---------|
| Weight | 60 | 193.13 | 22.11 | * |

**Explanation:**

- **One-Sample Z Test:** This statistical test is being used to determine if the mean weight of the sample is less than 195 pounds.
- **N (Number of Participants):** 60 gym members were part of this study.
- **Mean Weight:** The average weight of the participants is 193.13 pounds.
- **StDev (Standard Deviation):** The standard deviation, which measures the amount of variation or dispersion of the weights, is 22.11 pounds.
- **SE Mean (Standard Error of the Mean):** Typically, this would represent the standard deviation of the sample mean. However, it is not provided here and is marked with an asterisk (*).

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