consider the following data points: 155,142,149,130,151,163,151,142,156,133,138,

ID: 3885569 • Letter: C

Question

consider the following data points: 155,142,149,130,151,163,151,142,156,133,138,161,128,144,172,137,151,166,147,163,

145,116,136,158,114,165,169,145,150,150,150,158,151,145,152,140,170,129,188,156 using MATHLAB program

using MATHLAB

a, construct a frequency distribution witheight classes.begin with a lower class limit 110,and use a class width of 10.

b, draw box plot for the given data

c, use the result in part a, construct histogram for these data sets.

d, find out outlier for this data

e, use classes in part a to find mean

f, use classes in part a to find standard deviation

a. Answer: construct a frequency distribution witheight classes.begin with a lower class limit 110,and use a class width of 10.

>> classes.begin=[155,142,149,130,151,163,151,142,156,133,138,161,128,144,172,137,151,166,147,163,

145,116,136,158,114,165,169,145,150,150,150,158,151,145,152,140,170,129,188,156]

>> ncount = histc(classes.begin,Range); #frequency of each datapoint

b. Answe:

draw box plot for the given data

boxplot(classes.begin)

c. Answer

use the result in part a, construct histogram for these data sets.

histogram(classes.begin,classwidth)

d. Answer;

find out outlier for this data

E:Answer

use classes in part a to find mean

F. Answer:

use classes in part a to find standard deviation

class_width= 10;

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