Find the number of classes needed to construct a histogram

Assignment Help Applied Statistics

Reference no: EM13912200

1. Explain what each of the following distribution shapes looks like. Then draw a picture that illustrates each shape.

a. Symmetrical and mound shaped

b. Double peaked

c. Skewed to the right

d. Skewed to the left

METHODS AND APPLICATIONS

2. Consider the following data:

36	39	36	35	36	20	19
46	40	42	34	41	36	42
40	38	33	37	22	33	28
38	38	34	37	17	25	38

a. Find the number of classes needed to construct a histogram.

b. Find the class length.

c. Define nonoverlapping classes for a frequency distribution.

d. Tally the number of values in each class and develop a frequency distribution.

e. Draw a histogram for these data.

f. Develop a percent frequency distribution.

Reference no: EM13912200

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