Can you show how you get the answers and how to calculate this

The randomly selected 60 shoppers have rated a new bottle design for a popular soft drink. The data are given below.

27	38	29	30	35	20	28	33	23	33
37	35	21	21	28	40	35	29	39	34
38	33	35	37	28	21	23	24	37	24
27	23	40	35	27	20	36	39	36	34
39	25	40	37	28	34	27	28	22	31
31	33	26	35	37	28	22	24	30	23

(a) Find the number of classes that should be used to construct a frequency distribution and histogram for the bottle design ratings. (From Table 2.5).

Number of classes

(b) Find the class length. (Round your answer to the next whole number.)

Class length

(d) Tally the number of ratings in each class and develop a frequency distribution. (Round your midpoint valuesto 1 decimal place.)

Rating
Lower		Upper	Midpoint	Width	Frequency
20	<
<
<
<
<
<

(e-1)Choose the frequency histogram for the ratings data.

(e-2)Distribution shape is skewed left.

False

True