In a survey, 14 people were asked how much they spent on their child's last birthday gift. The results were roughly bell-shaped with a mean of $30 and standard deviation of $7. The best point estimate for u is The margin of error for a 80% confidence interval is Give your answers to one decimal place. Submit Question

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**Survey Analysis on Birthday Gift Spending**

In a survey, 14 participants were asked how much they spent on their child's last birthday gift. The dataset is approximately bell-shaped with the following statistics:

- **Mean (Average):** $30
- **Standard Deviation:** $7

**Tasks:**

1. **Point Estimate:**
   - Calculate the best point estimate for the population mean, \( \mu \).

2. **Margin of Error:**
   - Determine the margin of error for an 80% confidence interval.

**Instructions:**
- Provide your answers to one decimal place.

**Submission:**
- Use the inputs provided to enter your values and click the "Submit Question" button once completed.
Transcribed Image Text:**Survey Analysis on Birthday Gift Spending** In a survey, 14 participants were asked how much they spent on their child's last birthday gift. The dataset is approximately bell-shaped with the following statistics: - **Mean (Average):** $30 - **Standard Deviation:** $7 **Tasks:** 1. **Point Estimate:** - Calculate the best point estimate for the population mean, \( \mu \). 2. **Margin of Error:** - Determine the margin of error for an 80% confidence interval. **Instructions:** - Provide your answers to one decimal place. **Submission:** - Use the inputs provided to enter your values and click the "Submit Question" button once completed.
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