AndreahL63477 AndreahL63477

25-10-2022
Mathematics

Answered

A car salesman claims that the variance of prices on convertibles is higher than the variance on station wagons. To test this claim, he selects random samples of each type of car, and records the prices. The standard deviation of 16 convertibles is $6800 and the standard deviation of 24 station wagons is $3900. At a=0.05 test his claim

Answer :

Other Questions

In a third day of randomly selected subjects, the mean age of the 36 respondents is 40 years and the standard deviation of ages is 10 years. Use the sample resu

We are going to fence in a rectangular field. If we look at the field from above the cost of the vertical sides are $10/m, the cost of the bottom is $2/m and th

The table below shows scores on a Math test. a.Complete the frequency table for the Math test scores b. Construct a histogram of the data c. Construct a

What is the area of a triangle withvertices at (-1, -1), (3, -1), and (2, 3)?

Olivia's Car Sevice charges a flat fee of $4.75 for anyone makinga trip. They charge an additional set rate of $1.50 per miletraveled. Which expression represen

The mean amount of time it takes a kidney stone to pass is 16 days and the standard deviation is 5 days. Suppose that one individual is randomly chosen. Let X =

Mini gas stations give a discount for paying with cash instead of a credit card Williams local gas station gives a discount of zero. 05 per gallon he fills his

The numbers of customers entering each of two stores every hour wererecorded. The results are shown. Which statement about the number ofcustomers at the stores

If 16 is increased to 23, the increase is what percent of the original number? (This is known as the percent of change.)

<1 and <2 are complementary angles. the measure of <1 is 55°. the measure of <2 is 5(x+1)°.find the value of x.