Which box plot represents a data set with a lower quartile of 24 and an upper quartile of 42? 12
24 32 42
60
24
30 34
40 42
-
0 8 16 24 32 40 48 56 64 72
16 20 24 28 32 36 40 44 48
18
36 42 50
84
12
36 42 50
92
18 26 34 42 50 58 66 74 82 90
10 20 30 40 50 60 70 80 90 100

Now, martin can reasonably guess that the standard deviation for the entire population of people at the mall during the time of the survey is $1.50. what is the 95% confidence interval about the sample mean? interpret what this means in the context of the situation where 95 people were surveyed and the sample mean is $8. use the information in this resource to construct the confidence interval.