+61-413 786 465
info@mywordsolution.com
Home >> Statistics and Probability
If a simple Pearson correlation value = .685, what percentage of variance is accounted for?
a. 69%
b. 35%
c. 47%
d. 68%
Statistics and Probability, Statistics
Priced at $10 Now at $5, Verified Solution
Suppose you want to calculate the? z-score for your height. How will the? z-scores compare if you use your height in inches verses? centimeters?
The manufacturer of a new fertilizer wants to show that the new chemical increases bean yields. The average acre currently yields 146.8 bushels of beans. State the null and alternative hypotheses that the manufacturer wo ...
Sixty-seven percent of adults have looked at their credit score in the past six months. If you select 31 customers, what is the probability that at least 20 of them have looked at their score in the past six months?
According to a study in a previous year, 57.0% of households nationwide used natural gas for heating during a year. Recently, a survey of 2,700 randomly selected households showed that 58.0% used natural gas. Use a 0.05 ...
Determine the minimum sample size required when you want to be 98% confident that the sample mean is within two units of the population mean. Assume a standard deviation of 4.82 in a normally distributed population.
Explain the similarities and differences between "bagging" and "boosting" in predictive analytics.
Determine the sample size n needed to construct a 99?% confidence interval to estimate the population mean when σ=24 and the margin of error equals 9.
The average price of a television on a certain Web site is ?$760. Assume the price of these televisions follows the normal distribution with a standard deviation of ?$190. Complete parts a through d below. What is the pr ...
With whom should you consult about design strategies to improve products/services and why would you consult with these individuals or groups?
A new type of soft drink from Frackly Inc. is sold in 500 milliliter (ml) bottles. The mean volume of drink placed in a bottle is 490 ml with a standard deviation of 6.1 ml. Assuming a normal distribution of the data, wh ...
Start excelling in your Courses, Get help with Assignment Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.
Why might a bank avoid the use of interest rate swaps, even when the institution is exposed to significant interest rate
Describe the difference between zero coupon bonds and coupon bonds. Under what conditions will a coupon bond sell at a p
Compute the present value of an annuity of $ 880 per year for 16 years, given a discount rate of 6 percent per annum. As
Compute the present value of an $1,150 payment made in ten years when the discount rate is 12 percent. (Do not round int
Compute the present value of an annuity of $ 699 per year for 19 years, given a discount rate of 6 percent per annum. As