The table shows the heights of students in a group. student height (in inches) a 49 b 48 c 41 d 45 e 47 what is the mean height of the students in the group? 41 inches 43 inches 46 inches 49 inches

Answer with Step-by-step explanation:

We are given height of students in inches as:

49,48,41,45 and 47

We have to calculate the mean height.

Mean is calculated by sum of all observations over number of observations.

i.e. Mean=sum of all observations/number of observations

Mean height=(49+48+41+45+47)/5

Mean height=230/5

Mean height=46

Hence, mean height of students is:

46 inches

c. y = 1/4 x + 5

step-by-step explanation:

first, put the equation of the line on the graph into slope-intercept form

(y = mx + b):   y = -4x + 8

second, a perpendicular line has to have "an opposite/reciprocal slope" to the original slope. so, find the "m" value in your original equation (it's -4, right? )

original slope: m = -4   perpendicular slope: change the sign to its opposite and find the reciprocal ("flip" the number)

new slope is now positive (b/c the original slope was negative 4), and it's 1/4 (not the original slope of 4 or 4/1)