Solve the folloiwng:
Q1-The mean price of new homes from a sample of houses is $155,000 with a standard deviation of $15,000. The data set has a bell-shaped distribution. Between what two prices do 95% of the houses fall?
Refer to the sample statistics and use z-scores to determine which, if any, of the following house prices is unusual.
$200,000
$55,000
$175,000
$122,000
Q2-The number of wins for each Major League Baseball team in 2000 are listed. (Source: Major League Baseball)
87
85
83
74
69
95
90
79
77
69
91
91
82
71
95
94
79
67
65
95
85
73
72
69
65
97
86
85
82
76
Find the quartiles of the data set.
Find the interquartile range.
Construct a box-and-whisker plot.