Which of the following is a suitable equation for a line of best fit for the data set below? Time Spent Studying (minutes)
0
30
30
30
60
60
90
90
120
120
120
120
180
180
Grade on Test (%)
28
54
45
39
63
53
75
85
78
92
100
98
89
99
95

A. Y=30/11 x- 1,842/11
B. y=11/30 x+111
C. y=30/11x + 3,558/11
D. y=11/30x+ 45

Given the box plot, will the mean or the median provide a better description of the center? box plot with min at 10.5, q1 at 11.5, median at 12.5, q3 at 13.5, max at 15

An optical inspection system is used to distinguish among different part types. the probability of a correct classification of any part is 0.92. suppose that three parts are inspected and that the classifications are independent. let the random variable x denote the number of parts that are correctly classified. determine the probability mass function of x. round your answers to four decimal places (e.g. 98.7654). x f(x) 0 1 2 3

Witch represents the inverse of the function f(x)=1/4x-12