Sunday
March 29, 2015

Homework Help: Math Ms. Sue please

Posted by Delilah on Tuesday, March 26, 2013 at 7:42pm.

1.

Given the altitude of lakes in feet: 12, 9, 14, 39, 49, 49, 18, 43, find the mean, median, mode, and range.
(1 point)

mean = 28.5, median = 29.1, mode = 49, range = 40
mean = 29.1, median = 49, mode = 28.5, range = 41
mean = 49, median = 29.1, mode = 28.5, range = 41
mean = 29.1, median = 28.5, mode = 49, range = 40

2.

Given the data 21, 13, 13, 37, 13, 23, 25, 15:
a. Identify the outlier in the data.
b. Find the mean with the outlier.
C. Find the mean without the outlier.
(1 point)

13; 21; 17.6
37; 20; 17.6
37; 17.6; 20
13; 17.6; 21

15.
A survey about the student government program at a school finds the following results:

110 students like the program.
120 students think the program is unnecessary.
210 students plan on running for student government next year.

If a circle graph were made from this data, what would the measure of the central angle be for the group that thinks the program is unnecessary? (1 point)

98
27
90
172

My answers:
1. mean = 28.5, median = 29.1, mode = 49, range = 40
2. 37; 20; 17.6
15. 98

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