Question

1. Find the mean, median, and mode of the data set.
Time spent on Internet (min/day):
75, 38, 43, 120, 65, 48, 52

A) mean: 60.5, median: 48, no mode
B) mean: 63, median: 48, mode 48
C) mean: 63, meadian: 48, mode 52
D) mean: 63, median: 52, no mode

2. Tell which measure of central tendency best describes the data.
TIme spent on Internet (min/day)

A) Mean
B) Median
C) Mode

3. Tell which measure of central tendency best describes the data.
Weights of books (oz):
12, 10, 9, 15, 16, 10

A) Mean
B) Median
C) Mode

Answer 1

@cookienano

Answer 2

http://www.wolframalpha.com/input/?i=mean+75%2C+38%2C+43%2C+120%2C+65%2C+48%2C+52+

Answer 3

http://www.wolframalpha.com/input/?i=median+75%2C+38%2C+43%2C+120%2C+65%2C+48%2C+52+

Answer 4

all the numbers are different, so there is no mode

Answer 5

@satellite73 So #1 is A or D ?

Answer 6

mean is 63, go with D

Answer 7

Thanks, could you help me with a few more? @satellite73

Answer 8

i don't really know statistics, but for the second one i would guess mean, because there are no outrageous outliers and no mode