Determine whether the data collected by rating wines is nominal, ordinal, interval or ratio.

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Answer 1

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Features Features Normal distribution is characterized by two parameters, mean (µ) and standard deviation (σ). When graphed, the mean represents the center of the bell curve and the graph is perfectly symmetric about the center. The mean, median, and mode are all equal for a normal distribution. The standard deviation measures the data's spread from the center. The higher the standard deviation, the more the data is spread out and the flatter the bell curve looks. Variance is another commonly used measure of the spread of the distribution and is equal to the square of the standard deviation.

Chapter 12, Problem 36PS

a.

To determine

Determine whether the data collected by rating wines is nominal, ordinal, interval or ratio.

b.

To determine

Determine that why two sample t-test is not appropriate to test the mean rating of California Cabernets and Washington Cabernets.

c.

To determine

Determine whether there is a difference in the median ratings of California Cabernets and Washington Cabernets.

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ONLY PART C AND D PLEASE!

In a study looking at undergraduate students’ perceptions of sense of community at their university, a researcher hypothesizes that the farther away students live from campus (in miles), the less they feel they are part of the university community. The researcher collected data for the following two variables – miles from campus and part of community (rating from 1-10 of how much they felt part of the university community). What is the proposed analysis and why you chose the analysis? Scales of measurement (i.e., nominal, ordinal, interval or ratio) for variable(s) that will be used in the analysis: What is the null and alternative hypotheses (based on context of study) in symbols? What is the test assumptions and make a decision? Inferential statistic(s) and p-value(s)? What is your decision? What is the conclusion? Based on your decision, identify and explain the type of error you could make?

A consumer group wanted to determine if there was a difference in customer perceptions about prices for a specific type of toy depending on where the toy was purchased. In the local area there are three main retailers: W-Mart, Tag, and URToy. For each retailer, the consumer group randomly selected 5 customers, and asked them to rate how expensive they thought the toy was on a 1-to-10 scale (1= not expensive, to 10 = very expensive). The toy was priced the same at all retail stores. The data collected is reported in the table below. W-Mart Tag URToy 8 5 4 9 4 2 10 6 1 9 3 5 9 5 4 MW = 9 MT = 4.6 MU = 3.2 SSW = 2 SST = 5.2 SSU = 10.8 What kind of statistical test should be used to test the consumer group's research goal, assuming that the researcher wanted to use the 1-to-10 scale as a numerical interval measure? Compute the percentage of variance explained by the group differences for these data. Percentage and…

Answer 2

Question

Features Features Normal distribution is characterized by two parameters, mean (µ) and standard deviation (σ). When graphed, the mean represents the center of the bell curve and the graph is perfectly symmetric about the center. The mean, median, and mode are all equal for a normal distribution. The standard deviation measures the data's spread from the center. The higher the standard deviation, the more the data is spread out and the flatter the bell curve looks. Variance is another commonly used measure of the spread of the distribution and is equal to the square of the standard deviation.

Chapter 12, Problem 36PS

a.

To determine

Determine whether the data collected by rating wines is nominal, ordinal, interval or ratio.

b.

To determine

Determine that why two sample t-test is not appropriate to test the mean rating of California Cabernets and Washington Cabernets.

c.

To determine

Determine whether there is a difference in the median ratings of California Cabernets and Washington Cabernets.

Expert Solution & Answer

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Check out a sample textbook solution

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Answer 3

Question

Features Features Normal distribution is characterized by two parameters, mean (µ) and standard deviation (σ). When graphed, the mean represents the center of the bell curve and the graph is perfectly symmetric about the center. The mean, median, and mode are all equal for a normal distribution. The standard deviation measures the data's spread from the center. The higher the standard deviation, the more the data is spread out and the flatter the bell curve looks. Variance is another commonly used measure of the spread of the distribution and is equal to the square of the standard deviation.

Chapter 12, Problem 36PS

a.

To determine

Determine whether the data collected by rating wines is nominal, ordinal, interval or ratio.

b.

To determine

Determine that why two sample t-test is not appropriate to test the mean rating of California Cabernets and Washington Cabernets.

c.

To determine

Determine whether there is a difference in the median ratings of California Cabernets and Washington Cabernets.

Expert Solution & Answer

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Check out a sample textbook solution

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Answer 4

Question

Features Features Normal distribution is characterized by two parameters, mean (µ) and standard deviation (σ). When graphed, the mean represents the center of the bell curve and the graph is perfectly symmetric about the center. The mean, median, and mode are all equal for a normal distribution. The standard deviation measures the data's spread from the center. The higher the standard deviation, the more the data is spread out and the flatter the bell curve looks. Variance is another commonly used measure of the spread of the distribution and is equal to the square of the standard deviation.

Chapter 12, Problem 36PS

a.

To determine

Determine whether the data collected by rating wines is nominal, ordinal, interval or ratio.

b.

To determine

Determine that why two sample t-test is not appropriate to test the mean rating of California Cabernets and Washington Cabernets.

c.

To determine

Determine whether there is a difference in the median ratings of California Cabernets and Washington Cabernets.

Expert Solution & Answer

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Check out a sample textbook solution

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Answer 5

Chapter 12, Problem 36PS

a.

To determine

Determine whether the data collected by rating wines is nominal, ordinal, interval or ratio.

b.

To determine

Determine that why two sample t-test is not appropriate to test the mean rating of California Cabernets and Washington Cabernets.

c.

To determine

Determine whether there is a difference in the median ratings of California Cabernets and Washington Cabernets.

Answer 6

Chapter 12, Problem 36PS

a.

To determine

Determine whether the data collected by rating wines is nominal, ordinal, interval or ratio.

Answer 7

Chapter 12, Problem 36PS

a.

To determine

Determine whether the data collected by rating wines is nominal, ordinal, interval or ratio.

Answer 8

b.

To determine

Determine that why two sample t-test is not appropriate to test the mean rating of California Cabernets and Washington Cabernets.

Answer 9

b.

To determine

Determine that why two sample t-test is not appropriate to test the mean rating of California Cabernets and Washington Cabernets.

Answer 10

c.

To determine

Determine whether there is a difference in the median ratings of California Cabernets and Washington Cabernets.

Answer 11

c.

To determine

Determine whether there is a difference in the median ratings of California Cabernets and Washington Cabernets.

Answer 12

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Answer 13

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Answer 14

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Answer 15

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Determine whether the data collected by rating wines is nominal, ordinal, interval or ratio.

Solution Summary: The author determines whether the data collected by rating wines is nominal, ordinal, interval, or ratio. They also determine whether there is a difference in the median ratings of California and Washington Cabernets.

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Determine whether the data collected by rating wines is nominal, ordinal, interval or ratio.

Determine that why two sample t-test is not appropriate to test the mean rating of California Cabernets and Washington Cabernets.

Determine whether there is a difference in the median ratings of California Cabernets and Washington Cabernets.

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