Question

What is the mean of the data set?

10, 15, 14, 8, 18, 11, 12, 12, 10, 10, 17, 16


12.00

12.25

12.75

15.50
A town's yearly snowfall in inches over a 10-year period is recorded in this table.

What is the mean of the snowfall amounts?


16.4 in.

17.1 in.

17.4 in.

18.1 in.
Year Snowfall in inches
2001 11
2002 15
2003 19
2004 17
2005 23
2006 20
2007 17
2008 13
2009 18
2010 21
Jody's team scored 21, 25, 36, 16, and 32 points at the last five football games.

What is the mean number of points Jody's team scored?


20 points

21 points

25 points

26 points
What is the mean of the values in the stem-and-leaf plot?


Enter your answer in the box.
3|1
4|
5|5
6|8
7|0, 0, 2
Key: 2|5 means 25

Answer 1

Ok, im guessing that this is all about mean

First mean is just adding everything up for example:

5+5+10+10+5

so the answer is 35, but that isnt completely finished you need to divide 35 by 5, or how many numbers were added then you get the mean for my example the mean is 7

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ACTUAL PROBLEMS

1. 10+15+14+8+18+11+12+12+10+10+17+16 = 153

153/12= 12.75

2. 16.4+17.1+17.4+18.1= 69 B)

69/4=17.25

3. 11+15+19+17+23+20+17+13+18+21=174

174/11=15.8181818182

4. 21+25+36+16+32= 130

130/5=26

a