Lower Limit of Wt Class Frequency Cumulative % 150 1 3.45% 160 5 20.69% 170 4 34
ID: 3438806 • Letter: L
Question
Lower Limit of Wt Class
Frequency
Cumulative %
150
1
3.45%
160
5
20.69%
170
4
34.48%
180
2
41.38%
190
0
41.38%
200
7
65.52%
210
5
82.76%
220
5
100.00%
What percent of the sample weighs 170 lbs. or less? ____ % 1 pt
How many subjects weigh more than 200 lbs?
What percent of the subjects weigh more than 200 lbs?
Based on the graph the median weight is approximately:
How many subjects weigh less than 200 lbs? _____ lbs.
Lower Limit of Wt Class
Frequency
Cumulative %
150
1
3.45%
160
5
20.69%
170
4
34.48%
180
2
41.38%
190
0
41.38%
200
7
65.52%
210
5
82.76%
220
5
100.00%
What percent of the sample weighs 170 lbs. or less? ____ % 1 pt
How many subjects weigh more than 200 lbs?
What percent of the subjects weigh more than 200 lbs?
Based on the graph the median weight is approximately:
How many subjects weigh less than 200 lbs? _____ lbs.
Explanation / Answer
a)
percent of sample weighs less than 170 = 20.69%
b)
number of subjects weigh more than 200lbs = 7 + 5 + 5 = 17
c)
percent of subjects weigh more than 200 lbs = 17/29 = 58.62%
d)
median weight of graph = 190
e)
percent of subjects weigh less than 200 lbs = 100% - 58.62%
= 41.38%
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