were recorded by the driver. 24 19 21 27 20 18 13 23 30 10 18 23 15 19 28 10 11 12 13 14

Mathematics For Machine Technology
8th Edition
ISBN:9781337798310
Author:Peterson, John.
Publisher:Peterson, John.
Chapter29: Tolerance, Clearance, And Interference
Section: Chapter Questions
Problem 16A: Spacers are manufactured to the mean dimension and tolerance shown in Figure 29-12. An inspector...
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Question
1. The distance travelled (in kilometres) by a courier service motorcycle on 40 trips
were recorded by the driver.
24
19
21
27
20
17
17
32
22
26
18
13
23
30
10
13
18
22
34
16
18
23
15
19
28
25
25
20
17
15
10
11
12
13
14
09
08
07
06
05
a) Using this equation 2k 2 n, to prepare the following:
i)
An absolute frequency distribution. Show the table
i)
A relative frequency distribution. Show the table
iii)
Estimate the mean, median and modal level of the trips made
iv)
Estimate the variance.
||||
Transcribed Image Text:1. The distance travelled (in kilometres) by a courier service motorcycle on 40 trips were recorded by the driver. 24 19 21 27 20 17 17 32 22 26 18 13 23 30 10 13 18 22 34 16 18 23 15 19 28 25 25 20 17 15 10 11 12 13 14 09 08 07 06 05 a) Using this equation 2k 2 n, to prepare the following: i) An absolute frequency distribution. Show the table i) A relative frequency distribution. Show the table iii) Estimate the mean, median and modal level of the trips made iv) Estimate the variance. ||||
b) Construct the following graphs:
i)
A histogram of the relative frequency distribution. Show the graph
ii)
The cumulative frequency polygon. Show the graph
iii)
The (relative) less than ogive.
Show the graphs
iv)
The (relative) more than ogive.
On the same graph
Transcribed Image Text:b) Construct the following graphs: i) A histogram of the relative frequency distribution. Show the graph ii) The cumulative frequency polygon. Show the graph iii) The (relative) less than ogive. Show the graphs iv) The (relative) more than ogive. On the same graph
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