Five people are on a diet reduction plan estimate the, Ask an Expert

Statistics

Five people are on a diet reduction plan. Estimate the regression for the relationship between the number of pounds of weight lost and the number of weeks each of the five people were on the plan. These five paired observations are given below, where X represents the number of weeks on the diet and Y represents the number of pounds lost.

X: 3 2 1 4 5

Y: 6 5 4 9 11

a) Compute and graph a least-squares regression line relating weight loss to weeks on the diet.

b) Using the regression line estimate how many weeks should one diet to expect to lose 20 pounds.

c) How much variation in weight loss is explained by dieting?

View complete question

Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M91002520

Have any Question?Write your Review or question?

Related Questions in Statistics and Probability

Doctoral assistant ships of phd students 50 have paid

Doctoral assistant ships of Ph.D students 50% have paid assistant ships. a random sample of n=200 students is chosen.. based on this sample and using the properties of the binomial distribution, what is the approximate s ...

What is the minimum cash flow that could be received at the

What is the minimum cash flow that could be received at the end of year three to make the following project "acceptable?" Initial cost = $63,000; cash flows at end of years one and two = $35,000; opportunity cost of capi ...

A puck company wants to sponsor the players with the 20

A puck company wants to sponsor the players with the 20% quickest goals in hockey games. The times of first goals are normally distributed with a mean of 8.54 minutes and a standard deviation of 4.91 minutes. How fast wo ...

Ye observed the following returns over timeyear

You have observed the following returns over time: Year BMG Market 1990 18% 13% 1991 4% 8% 1992 -12% 3% 1993 16% 10% 1994 18% 11% What is the beta for BMG?

Two different batteries are being considered for an

Two different batteries are being considered for an industrial application. A random sample of 30 of Battery A produces a mean of 16.4 hours of useful voltage with a standard deviation of 3.2 hours. A sample of 30 of Bat ...

Discuss two types of costs amp two types of

Discuss two types of costs & two types of benefits(excluding tax shield and EPS) that would potentially arise from the leveraged recapitalization( a firm proposed a leveraged recapitalization which could create immediate ...

From a random sample of 58 businesses it is found that the

From a random sample of 58 businesses, it is found that the mean time the owner spends on administrative issues each week is 20.53 with a standard deviation of 3.23. What is the 95% confidence interval for the amount of ...

Prior data indicates if a planter machine is operating

Prior data indicates if a planter machine is operating "properly," the length of the planter produced by the machine can be modeled as being normally distributed with a mean of 107 centimeters and a standard deviation of ...

According to a study in a previous year 570 of households

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 ...

Jen and barry calculate the overall cost per shift y for

Jen and Barry calculate the overall cost per shift y for "Jen & Barry's Fast Fresh Salad Bags". They determine that 20 salad bags can be produced for a total cost of $80 and that 50 salad bags can be produced for total c ...

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

Recent Questions

Ask Statistics and Probability Expert