Question

# Identify the class? width, class? midpoints, and class boundaries for the given frequency distribution. Full data...

Identify the class? width, class? midpoints, and class boundaries for the given frequency distribution.

Full data set
 Daily Low Temperature ?(degrees
 ?F) Frequency 45 dash 47

1

 48 dash 50

3

 51 dash 53

5

 54 dash 56

11

 Daily Low Temperature ?(degrees
 ?F) Frequency 57 dash 59

7

 60 dash 62

7

 63 dash 65

1

What is the class? width?

Question #2

Does the frequency distribution appear to have a normal? distribution? Explain.

 Temperature ?(degrees
 ?F) Frequency 35 dash 39

1

 40 dash 44

3

 45 dash 49

5

 50 dash 54

12

 Temperature ?(degrees
 ?F) Frequency 55 dash 59

5

 60 dash 64

2

 65 dash 69

1

A.

?Yes, because the frequencies start? low, proceed to one or two high? frequencies, then increase to a? maximum, and the distribution is not symmetric.

B.

?No, because the frequencies start? low, proceed to one or two high? frequencies, then decrease to a low? frequency, and the distribution is approximately symmetric.

C.

?No, because the frequencies start? low, proceed to one or two high? frequencies, then decrease to a low? frequency, and the distribution is not symmetric.

D.

?Yes, because the frequencies start? low, proceed to one or two high? frequencies, then decrease to a low? frequency, and the distribution is approximately symmetric.

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