Question

The average cost of tuition plus room and board at for a small private liberal arts college is reported to be $8,550 per term, but a financial administrator believes that the average cost is higher. A study conducted using 350 small liberal arts colleges showed that the average cost per term is $8,800. The population standard deviation is $1,200. Let $\alpha = 0.05$. What is the test statistic for this test? A) $\pm3.90$ B) $+0.282$ C) $-3.90$ D) $+3.90$

Name: the average cost of tuition plus room and board at for a small private liberal arts college is reported to be 8550 per term but a financial administrator believes that the average cost is hi 31577
Uploaded: 2023-03-17T19:05:31-08:00
Duration: 1 min 46 s
Channel: T. L.
Description: the average cost of tuition plus room and board at for a small private liberal arts college is reported to be 8550 per term but a financial administrator believes that the average cost is hi 31577

          The average cost of tuition plus room and board at for a small private liberal arts
college is reported to be $8,550 per term, but a financial administrator believes
that the average cost is higher. A study conducted using 350 small liberal arts
colleges showed that the average cost per term is $8,800. The population
standard deviation is $1,200. Let $\alpha = 0.05$. What is the test statistic for this test?
A) $\pm3.90$
B) $+0.282$
C) $-3.90$
D) $+3.90$

the average cost of tuition plus room and board at for a small private liberal arts college is reported to be 8550 per term but a financial administrator believes that the average cost is hi 31577

Added by Timothy T.

Elementary Statistics a Step by Step Approach

Allan G. Bluman 9th Edition

Instant Answer

Solved by Expert T. L.

03/17/2023

Step 1

The reported average cost (hypothesized population mean), $\mu_0 = \$8,550$. The sample size, $n = 350$. The sample average cost (sample mean), $\bar{x} = \$8,800$. The population standard deviation, $\sigma = \$1,200$. The significance level, $\alpha = 0.05$. Show more…

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The average cost of tuition plus room and board at for a small private liberal arts college is reported to be $8,550 per term, but a financial administrator believes that the average cost is higher. A study conducted using 350 small liberal arts colleges showed that the average cost per term is $8,800. The population standard deviation is $1,200. Let $\alpha = 0.05$. What is the test statistic for this test? A) $\pm3.90$ B) $+0.282$ C) $-3.90$ D) $+3.90$