A simple random sample of 41 Veterans Day celebrations was selected and the number of children attending each was recorded. The mean number of children in attendance for this sample of 41 Veterans Day celebrations was 72, with a standard deviation of 9.4. If appropriate, use this information to calculate and interpret a 98% confidence interval for the mean number of children attending all 2017 Veterans Day celebrations. What is the value of the point estimate of the population mean? 54 41 9.4 72 0000

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 13PPS
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A simple random sample of 41 Veterans Day celebrations was selected and the number of children attending each was recorded. The mean number of children in attendance for this sample of 41 Veterans Day celebrations was 72, with a standard deviation of 9.4. If appropriate, use this information to calculate and interpret a 98% confidence interval for the mean number of children attending all 2017 Veterans Day celebrations.

What is the value of the point estimate of the population mean?

- [ ] 54
- [ ] 41
- [ ] 9.4
- [x] 72

Explanation:
The point estimate of the population mean is the sample mean. In this context, it is the average number of children attending the sampled Veterans Day celebrations. Hence, the point estimate of the population mean is 72.
Transcribed Image Text:A simple random sample of 41 Veterans Day celebrations was selected and the number of children attending each was recorded. The mean number of children in attendance for this sample of 41 Veterans Day celebrations was 72, with a standard deviation of 9.4. If appropriate, use this information to calculate and interpret a 98% confidence interval for the mean number of children attending all 2017 Veterans Day celebrations. What is the value of the point estimate of the population mean? - [ ] 54 - [ ] 41 - [ ] 9.4 - [x] 72 Explanation: The point estimate of the population mean is the sample mean. In this context, it is the average number of children attending the sampled Veterans Day celebrations. Hence, the point estimate of the population mean is 72.
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