Academic response to hypothesis test

Reference no: EM13111328

Can students save money by buying their textbooks at Amazon.com? To investigate this possibility, a random sample of 15 textbooks used during the Spring 2007 semester at Iowa State was selected. The prices for these textbooks at both Iowa State bookstore and through Amazon.com were recorded. The prices for the textbooks, including all relevant taxes and shipping are given below:

Textbooks Price at Iowa State Price at Amazon.com

1 60.77 57.34

2 52.74 44.47

3 39.04 41.48

4 101.28 73.72

5 49.45 42.04

6 113.41 95.38

7 109.72 119.80

8 101.28 62.48

9 29.49 32.43

10 75.57 74.43

11 83.87 83.81

12 25.78 26.48

13 75.80 73.48

14 17.41 20.98

15 43.72 40.43

Using a significant level of alpha= 0.025, is the price of textbooks purchased from the Iowa State bookstore greater than the price of textbooks purchased from Amazon.com and what can we tell about the p-value?

Reference no: EM13111328

Questions Cloud

Statistic-critical value and p value : Suppose a study is constructed to test a claim, at a 0.05 signifigance level that a population proportion is 40%. A simple random sample of 750 subjects has a proportion of 42%.

How fungi play many important ecological roles : Fungi play many important ecological roles. They are heterotrophic and break down organic matter extracellularity and then absorb the nutrients.

Illustrate what would it need to do to prevent large scale : , illustrate what would it need to do to prevent large scale departure of scientists looking for greener pastures?

Explain the marketing decisions being made by qode : the marketing decisions being made by Qode. Comprise information on who the decision makers are at each level as well as what they do in the in planning process.

Academic response to hypothesis test : Can students save money by buying their textbooks at Amazon.com? To investigate this possibility, a random sample of 15 textbooks used during the Spring 2007 semester at Iowa State was selected.

Explain why forecasting important in organizations : Why is forecasting important in organizations, especially as related to understanding the relevant time horizon to develop a forecast against?

What are the frequencies of the p1 and p2 alleles : A population of Hawaiian Drosophilia is segregating two alleles, p1 and p2, of the phosphoglucose isomerase (PGI) gene. In a sample of 500 flies from this population, 26% were p1p1 homozygotes, 62% were p1p2 heterozygotes, and 12% were p2p2 homozy..

Explain conversation bowed to work : Scenario- Jeff, Bob and I stopped by the old watering hole for an attitude adjustment. Guess what? The conversation bowed to work. Here is how the conversation unfolded

Explain how the losses caused by lcelandic volcanic eruption : explain how the losses caused by the lcelandic volcanic eruption of Spring 2010 are covered or not covered by insurance policies.

User Account

All Pages