Question

asked 2021-08-23

\(\displaystyle{H}_{{0}}:\mu={11}\ {v}{s}\ {H}_{{A}}:\mu>{11}.\)

A sample of size 16 results in a sample mean of 11.5 and a sample standard deviation of 1.6.

What is the standard error of the mean?

asked 2021-09-23

Classify the statement as an example of classical probability, empirical probability, or subjective probability. The probability that a newborn baby is a boy is 1/2.

a. empirical

b. classical

c. subjective

a. empirical

b. classical

c. subjective

asked 2021-05-01

asked 2021-05-03

During a given week, the museum had attendance as shown in the table at right. a. Numerically summarize the center and spread of attendance by finding the median and interquartile range (IQR). b. The museum management needs to tell the staff members their work schedules a week in advance. The museum wants to have approximately one staff member for every 150 visitors. How many staff members should be scheduled to workeach week? Explain your reasoning. c. Why is a scatterplot not an appropriate display of this data?
Day Attendance
1 amp;870
2 amp;940
3 amp;731
4 amp;400
5 amp;861
6 amp;680
7 amp;593