A set of n 20 pairs of scores x and y values has ssx 25

Assignment Help Basic Statistics
Reference no: EM13586002

Question: A set of n = 20 pairs of scores (X and Y values) has SSX = 25, SSY = 16, and SP = 12.5. If the mean for the X values is M = 6 and the mean for the Y values is M = 4,

a. Calculate the Pearson correlation for the scores.

b. Find the regression equation for predicting Y from the X values.

Reference no: EM13586002

Questions Cloud

Compute the depreciation expense to be recognized each : depreciation expense please help answer in detailon july 1 srini construction purchased special-purpose equipment at a
A train consists of 50 cars each of which has a mass of : a train consists of 50 cars each of which has a mass of 7.2times 103kg. the train has an acceleration of7.9 times
Why do you think specificity heterogeneity diversity memory : why do you think specificity heterogeneity diversity memory and self-vs. oneself recognition is vital to the immune
Cal vinson was reviewing w2s for the last few years to see : cal vinson was reviewing w2s for the last few years to see how his earnings had increased and saw that his earnings for
A set of n 20 pairs of scores x and y values has ssx 25 : question a set of n 20 pairs of scores x and y values has ssx 25 ssy 16 and sp 12.5. if the mean for the x values
R cunningham had been speaking with a fonzarelli about : r. cunningham had been speaking with a. fonzarelli about selling his portion of a partnership in arnolds good time
Why is the knowledge of documents and records and their : why is the knowledge of documents and records and their realtionship to financial statements an essentail for the study
What enviormental factors may affect the type of climax : what enviormental factors may affect the type of climax community that developes in an
We carefully observed a recent exam and recorded the : question as a student you probably have noticed a curious phenomenon. in every class there are some students who zip

Reviews

Write a Review

Basic Statistics Questions & Answers

  What kind of model is the above model what factors are

the following factors were studied to see their effect on light intensity yabcdefgnbspmolaritysolute typephgas

  Find risk of allergies for the children of smokers

Suppose that the risk of allergies for the children of nonsmokers is 0.15. What is the risk of allergies for the children of smokers?

  Confidence interval of mean for weschler intellegence test

Compute a 90% confidence interval of the mean for a Weschler intellegence test with mean of 100.00 and standard deviation of 15.00 for a sample of 100 people. Use two decimal places.

  Complete and report anova table for this design

In the Distance problems, the kids are given a Rate (speed) that a vehicle is going, as well as a Time that the vehicle travels, and asked to calculate the Distance travelled. In the Rate problems they are asked to compute Rate from the other two ..

  Conducting an anova test of four treatment means

Suppose we conduct an ANOVA test of four treatment means and reject the null hypothesis. Construction of a confidence interval for the difference between the first and second sample mean revealed the interval to be 10 plus or minus 12. We conclude

  Data in the scatterplot

The data in the scatterplot below are an individual's weight and the time it takes (in seconds) on a treadmill to raise his or her pulse rate to 140 beats per minute. The o's correspond to females and the +'s to males.

  Determine interval estimate for the mean of population

A local university administers a comprehensive examination to the recipients of a B.S. degree in Business Administration. A sample of 5 examinations are selected at random and scored. The test scores are 56, 85, 65, 86, and 93. At 98% confidence, ..

  Find probability that gambler lose money if makes fifty bets

Multiply by 50 to get the middle 95% of the distribution of the gamblers winnings on nights when he places 50 bets. (d) What is the probability that the gambler will lose money if he makes 50 bets?

  Binomial probability-academic response

A doctor prescribed the drug penicillin to three different patients as a form oLtreatment for an infectious disease. It is known from the general population that 20 out of every 100 individuals are allergic to the drug.

  In a group lineup of 7 models

In a group lineup of 7 models in a commercial, 3 are male and 4 are female. In how many ways can you arrange 3 models in a lineup if the first and the third must be a male but the second one must be a female?

  Expected number of heads

Consider the experiment of tossing a fair coin three times and observing the number of heads that result (X = number of heads).

  Test of single population proportion

Since 38% is less than 40%, does this mean that immediate production cutbacks are needed or can this difference of 2 percentage points be attributed to sampling?

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