Need help with question Thanks a What is the frequency for C

Need help with question. Thanks!

a. What is the frequency for CEO ages between 54 and 65? b. What percentage of CEOs are 65 years or older? c. What is the relative frequency of ages under so? d. What is the cumulative relative frequency for CEOs younger than 55? e. Which graph shows the relative frequency and which shows the cumulative relative frequency?

Solution

All the values are aproximate.

a) Frequency of CEO\'s aged between 54 and 65 is 13+10+16=39

b) % CEO\'s aged 65 or older= 100*(.1+.0166)=11.66

c) It is probably the cumulative relative frequency the answer is .45

d) .717

e) The ogive will show the cumulative relative frequency and histogram will depict the relative frequency

Age	Freq	Rel Freq	Cumulative Rel Freq
40-44	3	0.05	.05
45-49	11	.183	.233
50-54	13	.217	.45
55-59	16	.267	.717
60-64	10	.167	.884
65-69	6	.1	.984
70-74	1	.0166	1