7th Math
NTI Day 7
Complete the following either on this paper or on a separate sheet of...
Mathematics, 14.04.2020 23:42, KillerSteamcar
7th Math
NTI Day 7
Complete the following either on this paper or on a separate sheet of paper showing all math work and turn in the day we return.
Standard: 7.SP.4 Use measures of center and measures of variability for numerical data from random samples to draw informal comparative inferences about two populations.
The data in the following table is a random sample of the hourly pay rate of 10 working people in two different neighborhoods.
Neighborhood #1
$7.25
$11.50
$7.80
$8.10
$8.45
$7.95
$7.50
$8.75
$9.02
$8.30
Neighborhood #2
$12.00
$7.80
$11.95
$10.45
$10.08
$9.65
$10.50
$10.15
$9.75
$12.25
Calculate the mean for each data set. Round your answers to the nearest tenth.
Calculate the median for each data set. Round your answers to the nearest tenth.
Identify the mode for each data set. Round your answers to the nearest tenth.
Calculate the range for each data set. Round your answers to the nearest tenth.
Calculate the interquartile range for each data set. Round your answers to the nearest tenth.
Calculate the mean absolute deviation for each data set. Round your answers to the nearest tenth.
Write a short paragraph comparing the two populations of the two different neighborhoods above. Use the statistics you calculated in A-D as your evidence.
Answers: 2
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