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

Choose the correct answer below.

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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