Identify the lower class limits, upper class limits, class width, class midpoint

Question

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. 25, 30, 35, 40, 45, 50, 55 (Type integers or decimals. Do not round. Use ascending order.) Identify the upper class limits. 29, 34, 39, 44, 49, 54, 59 (Type integers or decimals. Do not round. Use ascending order.) Identify the class width. (Type an integer or a decimal. Do not round.) Identify the class midpoints. (Type integers or decimals. Do not round. Use ascending order.)

Explanation / Answer

upper class limits are upper classes

29,34,39,44,49,54,59

class width=29-25=5=25,26,27,28,29

midpoints

25+29/2=39.5

30+34/2=64/2=32

35+39/2=37

40+44/2=84/2=42

45+49/2=94/2=47

50+54/2=104/2=52

55+59/2=114/2=57

Answer:

39.5,32,37,42,47,52,57

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