The control group gets sugar pops final scores averaged 66

Assignment Help Basic Statistics
Reference no: EM13620302

Is Wheaties a power breakfast? A study is done an an elementary statistics class; 500 students agree to participate. After the midterm, 250 are randomized to both the treatment and control groups. The treatment group is fed Wheaties for breakfast 7 days a week. The control group gets Sugar Pops. Final scores averaged 66 for the treatment group; the SD was 21. For the control group, the figures were 60 and 22. Find the p-value.

a. 2%

b. 0.097%

c. 3.59%

d. 6.12%

e. 1.05%

Reference no: EM13620302

Questions Cloud

A selection of cereals was sampled and the number of : a selection of cereals was sampled and the number of calories was plotted against the number of grams of protein with
Conduct a one-tailed hypothesis test given the information : conduct a one-tailed hypothesis test given the information below.a manufacturer wants to increase the shelf life of a
Calculate the pearson correlation coefficient for these two : calculate the pearson correlation coefficient for these two variables.idhours of study xexam score
Calculate the residual for the x y pair 62511 5028 did the : 1. calculate the residual for the x y pair 44491 4807.2. did the regression equation underestimate or overestimate the
The control group gets sugar pops final scores averaged 66 : is wheaties a power breakfast? a study is done an an elementary statistics class 500 students agree to participate.
An exam was given to a random sample of 360 new recruits px : an exam was given to a random sample of 360 new recruits. px is the probabiity of new recruits with a score of x. the
Alexander industries is considering purchasing an insurance : alexander industries is considering purchasing an insurance policy for its new office building in st. louis missouri.
A warped coin has probability of 05 of landing heads : a warped coin has probability of 0.5 of landing heads probability of 0.3 of landing tails and probability 0.2 of
Calculate the change in specific internal energy and : calculate the change in specific internal energy and enthalpy of air for a process starting at 250 k and ending at 500

Reviews

Write a Review

Basic Statistics Questions & Answers

  Specializes in developing weed-harvesting equipment

1. Allen Machines specializes in developing weed-harvesting equipment that is used to clear small lakes of weeds. Allen Machines is contemplating the construction of a machine that would harvest weeds on narrow rivers and waterways. The activ..

  Why do you use the chi-square statistic what type of data

why do you use the chi-square statistic? what type of data is used with chi-square anaylisis? what are the

  Twenty-nine percent of americans say they are confident

twenty-nine percent of americans say they are confident that passenger trips to the moon will occur in their lifetime.

  What is the conditional probability that th affected person

suppose an unrelated 77 yr old man76 yr old woman and 82 yr old woman are selected frfrom a community..suppose we know

  Probability of alternators of airplane

A certain airplane has two alternators to provide electrical power. The probability that a given alternator will fail on a 1-hour flight is.02.

  Maximizing the expected profit

The demand, D, on any given day is uniformly distributed over [80,140]. How many units should the retailer order to maximize expected profit?

  Drawing a card and getting a spade

What are the odds against drawing a card from an ordinary deck of cards and getting a spade?

  Multiple regression analysis produced regression equation

Multiple regression analysis produced following regression equation: Y' = 427.2 - 4.58X1 - 14.83X2 + 6.10X3. Which statement is right based on this analysis?

  Hypothesis testing to compare two populations

The company believes that it averages about the same weight per bag in each of two production lines. To test this idea, they will perform a hypothesis test to compare the two lines at the alpha level of 0.05. State the null and alternative hypothe..

  Factors influencing value of t-statistic

Several factors influence the value obtained for a t statistic. Some factors affect the numerator of the t statistic and others influence the size of estimated standard error in the denominator.

  How to conclude that the new ball has improved game

Averaging 204 pins with a standard deviation of 24.9, can one conclude at a level of significance of .01 that the new ball has improved his game?

  In general why do studies that compare an experimental

in general why do studies that compare an experimental treatment with an active control necessitate large sample

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd