Identify the lower class limits, upper class limits, class width, class midpoints, and class boundaries for the given frequency distribution. Also identify the number of individuals included in the summary.		Age (yr) when award was won	Frequency
	10-19	28
	20-29	36
	30-39	14
	40-49	3
	50-59	6
	60-69	1
	70-79	2

Identify the lower class limits.

___,___,___,___,___,___,___

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Homework:HW #2 Section 2-1 Homework

Question 2, 2.1.7

Part 1 of 6

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Identify the lower class limits, upper class limits, class width, class midpoints, and class boundaries for the given frequency distribution. Also identify the number of individuals included in the summary.		Blood Platelet Count of Males (1000 cells/L)	Frequency
	0-99	1
	100-199	52
	200-299	86
	300-399	23
	400-499	0
	500-599	1
	600-699	0

Identify the lower class limits (in 1000

cells/L).

____,_____,____,____,____,_____,_____

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(Type integers or decimals. Do not round. Use ascending order.)

Does the frequency distribution appear to have a normal distribution using a strict interpretation of the relevant criteria?

Temperature (F)	Frequency
35-39	1
40-44	0
45-49	4
50-54	13
55-59	9
60-64	8
65-69	1

Does the frequency distribution appear to have a normal distribution?

A.

No, the frequencies do not decrease from the maximum frequency to a low frequency.

B.

No,

thedistributiondoesnotappeartobenormal.

C.

Yes,

alltherequirementsaremet.

The data represents the body mass index (BMI) values for 20 females. Construct a frequency distribution beginning with a lower class limit of 15.0 and use a class width of 6.0.		17.7	33.5	26.8	23.4	25.4
	29.4	24.4	18.3	29.8	21.8
	19.2	25.7	21.7	37.7	37.1
	28.4	44.9	32.5	26.3	24.4

Body Mass Index	Frequency
15.0-20.9	enter your response here
21.0-26.9	enter your response here
27.0-32.9	enter your response here
33.0-38.9	enter your response here
39.0-44.9