Question

According to basic economics, as the demand for a product increases, the price will decrease. Listed...

According to basic economics, as the demand for a product increases, the price will decrease. Listed below is the number of units demanded and the price:

Demand Price
3 $103
7 87
10 75
11 72
15 60
20 43
32 37
34 30
50 28
58 21

a. Determine the correlation between price and demand. (Negative answer should be indicated by a minus sign. Round the final answer to 3 decimal places.)

Correlation between price and demand                

b. Determine the standard error of estimate. (Negative answer should be indicated by a minus sign. Round the final answer to 3 decimal places.)

Standard error of estimate            

Homework Answers

Answer #1

a)

correlation between price and demand = -0.910

b)

standard error of estimate =12.304

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
A consumer buying cooperative tested the effective heating area of 20 different electric space heaters with...
A consumer buying cooperative tested the effective heating area of 20 different electric space heaters with different wattages. Here are the results. Heater Wattage Area 1 1,560 231 2 670 63 3 1,530 222 4 1,280 150 5 1,220 200 6 1,280 203 7 940 118 8 1,970 314 9 1,000 111 10 1,460 197 11 1,340 103 12 530 63 13 590 89 14 1,410 229 15 2,090 235 16 1,590 230 17 810 72 18 1,440 185 19...
The null and alternate hypotheses are: H0 : μ1 = μ2 H1 : μ1 ≠ μ2...
The null and alternate hypotheses are: H0 : μ1 = μ2 H1 : μ1 ≠ μ2 A random sample of 11 observations from one population revealed a sample mean of 25 and a sample standard deviation of 3.5. A random sample of 4 observations from another population revealed a sample mean of 29 and a sample standard deviation of 4.5. At the 0.01 significance level, is there a difference between the population means? State the decision rule. (Negative amounts should...
The owner of Maumee Motors wants to study the relationship between the age of a car...
The owner of Maumee Motors wants to study the relationship between the age of a car and its selling price. Listed below is a random sample of 12 used cars sold at Maumee Motors during the last year: Car Age (years) Selling Price ($ thousands) Car Age (years) Selling Price ($ thousands) 1 8 $9.5 7 6 $10.0 2 13 5.5 8 2 5.5 3 7 9.7 9 1 9.6 4 15 3.6 10 4 3.1 5 9 3.2 11...
Suppose you bought 1,050 shares of stock at an initial price of $55 per share. The...
Suppose you bought 1,050 shares of stock at an initial price of $55 per share. The stock paid a dividend of $0.64 per share during the following year, and the share price at the end of the year was $50. a. Compute your total dollar return on this investment. (A negative value should be indicated by a minus sign.) b. What is the capital gains yield? (A negative value should be indicated by a minus sign. Do not round intermediate...
A random sample of size n = 241 is taken from a population of size N...
A random sample of size n = 241 is taken from a population of size N = 5,588 with mean μ = −68 and variance σ2 = 183. [You may find it useful to reference the z table.] a-1. Is it necessary to apply the finite population correction factor? Yes No a-2. Calculate the expected value and the standard error of the sample mean. (Negative values should be indicated by a minus sign. Round "standard error" to 2 decimal places.)...
Consider the following sample data: x 11 13 27 22 30 y 28 26 25 20...
Consider the following sample data: x 11 13 27 22 30 y 28 26 25 20 16 Click here for the Excel Data File a. Calculate the covariance between the variables. (Negative value should be indicated by a minus sign. Round your intermediate calculations to at least 4 decimal places and final answer to 2 decimal places.) b. Calculate the correlation coefficient. (Round your intermediate calculations to 4 decimal places and final answer to 2 decimal places.
Consider the following sample data: x 20 19 24 21 27 y 27 21 24 19...
Consider the following sample data: x 20 19 24 21 27 y 27 21 24 19 20 Click here for the Excel Data File a. Calculate the covariance between the variables. (Negative value should be indicated by a minus sign. Round your intermediate calculations to at least 4 decimal places and final answer to 2 decimal places.) b. Calculate the correlation coefficient. (Round your intermediate calculations to 4 decimal places and final answer to 2 decimal places.)
The null and alternate hypotheses are:    H0 : μ1 = μ2 H1 : μ1 ≠...
The null and alternate hypotheses are:    H0 : μ1 = μ2 H1 : μ1 ≠ μ2    A random sample of 12 observations from Population 1 revealed a sample mean of 22 and sample deviation of 4.5. A random sample of 4 observations from Population 2 revealed a sample mean of 23 and sample standard deviation of 4.8. The underlying population standard deviations are unknown but are assumed to be equal. At the .05 significance level, is there a...
A random sample of size n = 186 is taken from a population of size N...
A random sample of size n = 186 is taken from a population of size N = 5,613 with mean μ = −65 and variance σ2 = 183. [You may find it useful to reference the z table.] a-1. Is it necessary to apply the finite population correction factor? Yes No a-2. Calculate the expected value and the standard error of the sample mean. (Negative values should be indicated by a minus sign. Round "standard error" to 2 decimal places.)...
Suppose you bought 650 shares of stock at an initial price of $48 per share. The...
Suppose you bought 650 shares of stock at an initial price of $48 per share. The stock paid a dividend of $.50 per share during the following year, and the share price at the end of the year was $43. a. Compute your total dollar return on this investment. (A negative value should be indicated by a minus sign.) Dollar return: b. What is the capital gains yield? (A negative value should be indicated by a minus sign. Do not...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT