3. -18 points My Notes A student advocacy group at a large western university wa

Question

3. -18 points My Notes A student advocacy group at a large western university was interested in estimating the average rent ($) that off-campus students pay per month. Five randomly selected, off-campus students were chosen and their respective monthly rent liabilities were recorded The raw data are found in Table 1. Let "x" denote the monthly rent reported. Round your answers to two decimal places. Be aware that small rounding errors in early calculations can become big errors if used in further calculations. Table 1: Monthly rent liabilities for 5 randomly selected students 3 4 273 331 358 430 489 ax a. Fill in the missing table cells. Note that the sample mean will be the same for each column. b. The Sum of Squares equals C. This variance equals d. The standard deviation equals: e. The squared deviation for the second observation equals:

Explanation / Answer

b)

Sum of square SS= 28642.8

c)

variance =SS/(n-1)=7160.7

d)

std deviaiton =84.62

e)

squared deviation for second observation =2043.04

1 2 3 4 5 x 273 331 358 430 489 xbar 376.2 376.2 376.2 376.2 376.2 (X-xbar) -103.2 -45.2 -18.2 53.8 112.8 (x-xbar)^2 10650.24 2043.04 331.24 2894.44 12723.84

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