Question

Temperaturer) Frequency Use the given trequency distribution 5o find the (a) class width (b) class midpoints. (c) class boundaries 70-74 (a) What is the class widh (Type an ibeger or a decinal (b) What are the cdass midpoints? Complele the table below (Type integers or decimals k) What are the class boundaies? Complete the tabile below.(Type iegers or decmals Temesbus Fogncy Clus boud Enter your answer in each of the answer boxes Lecture 2.2 Calculanor Skils Correlation and Regression i

Answer 1

a)

class width =5

b)

temp	frequency	midpoint
45-49	1	47
50-54	3	52
55-59	5	57
60-64	11	62
65-69	7	67
70-74	7	72
75-79	1	77

c)

temp	frequency			class boundaries
45-49	1		44.5	-	49.5
50-54	3		49.5	-	54.5
55-59	5		54.5	-	59.5
60-64	11		59.5	-	64.5
65-69	7		64.5	-	69.5
70-74	7		69.5	-	74.5
75-79	1		74.5	-	79.5