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

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Answer 1

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.

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Please help me with this statistics question

Please help me with the following statistic question

To evaluate the success of a 1-year experimental program designed to increase the mathematical achievement of underprivileged high school seniors, a random sample of participants in the program will be selected and their mathematics scores will be compared with the previous year’s statewide average of 525 for underprivileged seniors. The researchers want to determine whether the experimental program has increased the mean achievement level over the previous year’s statewide average. If alpha=.05, what sample size is needed to have a probability of Type II error of at most .025 if the actual mean is increased to 550? From previous results, sigma=80.

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

Expert Solution & Answer

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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