Question

Height inches) 73 73 67 71 Your assignment is to make a frequency distribution table, and a frequency distribution graph (histogram) of the students heights data at the left In the frequency distribution table, show the frequency, relative frequency, and percent frequency. For the graph of the frequency distribution (histogr) you need only to show one of the frequency, relative frequency, or 5 percent frequency 70 72 67 73 Which class interval has the highest frequency? The lowest frequency? Is the histogram symmetric, skewed left, or skewed right? 75 14 73 72 70 21 24 27 63 73 31 72 33 72 73 35 7.1 37 68 43 45 68 74 47 48 49 75

Answer 1

The histogram of the data as

b.) The frequency distribution as

Frequency
Class	Count	Relative frequency
61-64.8	6	0.118
64.9-68.7	13	0.255
68.8-72.6	19	0.373
72.7-76.5	11	0.216
76.6-80.4	2	0.039

Relative frequency = Frequency/ Total no of sample

c) Class 68.8-72.6 has the highest frequency since it has 19 variables and Class 76.6-80.4 has the minimum frequency it has 2 variables.

The histogram is approximately symmetric from the above histogram.