A rods manufacturer makes rods with a length that is supposed to be 11 inches. A quality control technician sampled 23 rods and found that the sample mean length was 11.08 inches and the sample standard deviation was 0.13 inches. The technician claims that the mean rod length is more than 11 inches. Select What type of hypothesis test should be performed? Ex: 0.123 What is the test statistic? Ex: 20 What is the number of degrees of freedom? Does sufficient evid Select ♥t at the a = 0.01 significance level to support the

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A rods manufacturer makes rods with a length that is supposed to be 11 inches. A quality control technician sampled 23 rods and found that the sample mean length was 11.08 inches and the sample standard deviation was 0.13 inches. The technician claims that the mean rod length is more than 11 inches.

**Dropdown Menu:**
- Hypothesis Test Type: [Select]

**Questions:**

1. What type of hypothesis test should be performed?
   - [Input box: Ex: 0.123]

2. What is the test statistic?
   - [Input box: Ex: 20]

3. What is the number of degrees of freedom?
   - [Input box: Ex: 20]

4. Does sufficient evidence exist at the α = 0.01 significance level to support the technician's claim?
   - [Dropdown menu: Select]
Transcribed Image Text:A rods manufacturer makes rods with a length that is supposed to be 11 inches. A quality control technician sampled 23 rods and found that the sample mean length was 11.08 inches and the sample standard deviation was 0.13 inches. The technician claims that the mean rod length is more than 11 inches. **Dropdown Menu:** - Hypothesis Test Type: [Select] **Questions:** 1. What type of hypothesis test should be performed? - [Input box: Ex: 0.123] 2. What is the test statistic? - [Input box: Ex: 20] 3. What is the number of degrees of freedom? - [Input box: Ex: 20] 4. Does sufficient evidence exist at the α = 0.01 significance level to support the technician's claim? - [Dropdown menu: Select]
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