### Determine the type and strength of the relationship

Assignment Help Basic Statistics
##### Reference no: EM131251757

In a study on caffeine and stress, college students indicated how many cups of coffee they drink per day and their stress level on a scale of 1 to 103. The data are provided in the following table.

Calculate a Pearson's r to determine the type and strength of the relationship between caffeine and stress level.

How much of the variability in stress score is accounted for by the number of cups of coffee consumed per day?

 Number of Cups Stress Level 3 5 2 3 4 3 6 9 5 4 1 2 7 10 3 5 2 3 4 8

#### The bigwigs in the fancy executive offices upstairs

This was the first time that Carl Schilling had been summoned to meet with the bigwigs in the fancy executive offices upstairs. And he hopes it will be the last time. Carl d

#### Interrelatedness of events

The way that you describe the interrelatedness of these events is up to you, but you must demonstrate that you understand how the events are interconnected. The commentary m

#### Provide a solution trail for the problem

Is there any evidence to suggest that the true proportion of Canadian households that are too much in debt is greater than 14%? Use a = 0.05. Write a Solution Trail for this

#### Find out if there is a difference among the income of adults

The following study was developed by Economist Simon Fass. Fass surveyed a sample population of low-income households in St. Martin. The variables analyzed were monthly inco

#### Variability in the traffic situation

However, due to the variability in the traffic situation every morning, the standard deviation of these commutes is 5 minutes. Jenn has to be at work by 8:30 A.M. every morn

#### Computing minimum sample size

Find the minimum sample size needed using a prior study that found that 36% of the respondents said they support abolishing the penny.

#### Test claim average age consumers by test statistics method

Using the confidence interval method, test the claim that the average age of consumers is at least 30 years ( α= 0.05). Test the same claim by using the test statistics method

#### Find probability using normal approximation to binomial

Assuming that the manager's claim is correct, calculate the probability that 117 or fewer of 205 randomly selected marketing researchers would disapprove of the scenario.

### Write a Review

#### 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