Ask Question, Ask an Expert

+61-413 786 465

info@mywordsolution.com

Ask Statistics and Probability Expert

Question: Men versus women The National Assessment of Educational Progress (NAEP) Young Adult Literacy Assessment Survey interviewed a random sample of 1917 people 21 to 25 years old. The sample contained 840 men and 1077 women.46 The mean and standard deviation of scores on the NAEP's test of quantitative skills were x¯1 = 272.40 and s1 = 59.2 for the men in the sample. For the women, the results were x¯2 = 274.73 and s2 = 57.5.

(a) Construct and interpret a 90% confidence interval for the difference in mean score for male and female young adults.

(b) Based only on the interval from part (a), is there convincing evidence of a difference in mean score for male and female young adults?

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M92576363
  • Price:- $15

Priced at Now at $15, Verified Solution

Have any Question?


Related Questions in Statistics and Probability

Suppose we can only sample from uniform distribution 01

Suppose we can only sample from Uniform distribution (0,1) with k=3. Design an algorithm to simulate chi-square distribution with 2k freedom via general transformation method.

A one bond has a coupon rate of 8 percent another a coupon

a) One bond has a coupon rate of 8 percent, another a coupon rate of 12 percent. Both bonds pay coupons annually, have 10-year maturities, and sell at a yield to maturity of 10 percent. If their yields to maturity next y ...

Could someone help with my homework questionrecovery time

Could someone help with my homework question? Recovery time for knee surgery patients that do physical therapy three times per week on average is 16.3 weeks with a standard deviation of 2.4. A physical therapist believes ...

A clothing quality director determines the accuracy of nfl

A clothing quality director determines the accuracy of NFL Logos on t-shirts. 9% of the shirts made that day are defective. The shirts are sold in packages of 10. Find the probability that in one randomly selected packag ...

A confidence interval estimate is desired for the gain in a

A confidence interval estimate is desired for the gain in a circuit on a semiconductor device. Assume that gain is normally distributed with standard deviation σ = 30. (a) How large must n be if the length of the 95% CI ...

1 it appears that new car purchases have peaked in 2018 vs

1) It appears that new car purchases have peaked in 2018 vs. used car purchases. The following probability distribution table shows the random variable x, where x is the number of new cars purchased by household during t ...

Table 1 fasting bloodfbs of group afbs of group

Table 1. Fasting Blood FBS of Group A FBS of Group B 95  90 100 100 125 125 175 200 250  550 1. What is the mean fasting blood sugar value for each group? What is the median? Mode? Group A: mean:145, median: 125, mode: n ...

On average the parts from a supplier have a mean of 975

On average, the parts from a supplier have a mean of 97.5 inches and a standard deviation of 12.2 inches. Find the probability that a randomly selected part from this supplier will have a value between 85.3 and 109.7 inc ...

The probability that a student passes a class is pp 059the

The probability that a student passes a class is p(P) = 0.59. The probability that a student studied for a class is p(S) = 0.55. The probability that a student passes a class given that he or she studied for the class is ...

When a company founder sells stock to outside investors in

When a company founder sells stock to outside investors in order to raise? capital, the share of the company owned by the founder and the? founder's control over the company will be reduced.

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

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.

Ask Now Help with Problems, Get a Best Answer

Why might a bank avoid the use of interest rate swaps even

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

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

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 1150 payment made in ten

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

Compute the present value of an annuity of $ 699 per year for 19 years, given a discount rate of 6 percent per annum. As