Description
please complete the questions on excel file attached
Unformatted Attachment Preview
Purchase answer to see full attachment
Explanation & Answer
Here is my answer 😀
Here are the scores for a recent test in M414 Statistics.
90
100
90
75
95
80
100
90
80
90
1) (2 points) Find the median of the set.
87.50
2) (2 points) Find the mean of the set.
85.00
3) (2 points) Find the mode of the set.
90.00
4) (2 points) Find the variance of the set.
116.00
5) (2 points) Find the standard deviation of the set.
10.77
80
90
75
70
80
70
70
80
60
85
95
90
100
90
100
85
Mr. Octavian’s grades were as follows ….
79
89
85
73
86
84
76
72
86
80
77
78
82
76
71
78
76
75
77
75
80
76
89
81
6) (4 points) Find the mean, μ, and standard deviation, σ, of the data.
80.44
5.63
μ=
σ=
7) (3 points) Construct a normal curve.
Normal Curve
0.08
0.0...