Question 3
(01.02 LC)
The total number of points scored during 10 regional games is shown below.
52, 51, 65, 38, 56,48,50,31,46,31
Select the correct five-number summary for this data set. (4 points)
Min
Q130
Median 52
Q3 46
Max 55
Min 65
Q138
Median 49
Q3 55
Max 30
Min 31
Q138
Median 49
Q3 52
Max 65
Min 55
Q146
Median 52
Q3 30
Max
MacBook Pro

Which of the following circles have their centers on the x-axis? check all that apply.

Arandom sample of 15 observations is used to estimate the population mean. the sample mean and the standard deviation are calculated as 172 and 63, respectively. assume that the population is normally distributed. a. with 99 confidence, what is the margin of error for the estimation of the population mean? b. construct the 99% confidence interval for the population mean. c. construct the 95% confidence interval for the population mean. d. construct the 83% confidence interval for the population mean. hint: you need to use excel function =t.inv.2t to find the value of t for the interval calculation.

Find the inverse of the given function. f(x)= -1/2sqr x+3, x greater than or equal to -3