This table shows the distribution of winning times in the Kentucky Derby (a horse race) over 90 years. Kentucky Derby Winning Times, 1930 to 2019 (seconds) To From f 105 106 106 107 107 108 109 110 108 109 17 27 16 110 111 11 111 112 112 113 1 114 Total 113 2 90 V v v v v v v v v

MATLAB: An Introduction with Applications
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(c-1) Do you think it likely that the distribution of times within each interval might not be uniform?
Yes
O No
(c-2) This distribution appears to be:
Skewed left
Skewed right
Symmetric
Transcribed Image Text:(c-1) Do you think it likely that the distribution of times within each interval might not be uniform? Yes O No (c-2) This distribution appears to be: Skewed left Skewed right Symmetric
This table shows the distribution of winning times in the Kentucky Derby (a horse race) over 90 years.
Kentucky Derby Winning Times,
1930 to 2019
(seconds)
From
To
f
105
106
107
106
107
108
17
108
109
109
110
27
16
110
<
111
11
111
112
5
112
113
114
1
113
2
Total
90
E Click here for the Excel Data File
(a) Fill in the highlighted cells in the table below. (Round your answers to 2 decimal places.)
Frequency
(f)
Midpoint
(m)
flm-x)2
From
To
fxm
105
106
106
107
106.50
639.00
107
108
17
107.50
1,827.50
108
109
27
108.50
2,929.50
<
109
110
16
1,752.00
110
111
11
110.50
1,215.50
111
112
111.50
557.50
112
113
1
112.50
113
114
2
113.50
227.00
Total
90
Average
Standard
Deviation =
CV =
%
(b) State whether the following statement is true or false?
The raw data would show us the years when the winning times were much longer than the average.
True
False
V V v v V
Transcribed Image Text:This table shows the distribution of winning times in the Kentucky Derby (a horse race) over 90 years. Kentucky Derby Winning Times, 1930 to 2019 (seconds) From To f 105 106 107 106 107 108 17 108 109 109 110 27 16 110 < 111 11 111 112 5 112 113 114 1 113 2 Total 90 E Click here for the Excel Data File (a) Fill in the highlighted cells in the table below. (Round your answers to 2 decimal places.) Frequency (f) Midpoint (m) flm-x)2 From To fxm 105 106 106 107 106.50 639.00 107 108 17 107.50 1,827.50 108 109 27 108.50 2,929.50 < 109 110 16 1,752.00 110 111 11 110.50 1,215.50 111 112 111.50 557.50 112 113 1 112.50 113 114 2 113.50 227.00 Total 90 Average Standard Deviation = CV = % (b) State whether the following statement is true or false? The raw data would show us the years when the winning times were much longer than the average. True False V V v v V
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