Consider the relationship between the number of bids an item on eBay received and the item's selling price. The following is a sample of 5 items sold through an auction.Price in Dollars 23 26 32 35 41Number of Bids 10 12 14 15 19Step 3 of 3: Calculate the correlation coefficient, r. Round your answer to three decimal places.AnswerHow to enter your answer (opens in new window)TablesCopy DataKeypadKeyboard Shortcuts

We have given that, X :- 23, 26, 32, 35, 41 Y:- 10, 12, 14, 15, 19 Then, r = ?

Answered: Price in Dollars 23 26 Number of Bids…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Find correlation coefficient If xi 0 11 21 23 14 25 yi 5 43 45 47 51 54
The table shows… coefficient correlation
CHART ATTACHED. PLEASE USE EXCEL FORMULAS FOR ME TO FOLLOW WHEN APPLICABLE The Standard Issue Test Prep company offers an ACT prep course designed to help students improve their scores on the ACT exam. A mock exam is given at the beginning of the course to see where students are starting from. A sample of 27 students' scores are taken and given below: Using this data, answer questions below. CAUTION! If you are using your calculator for Parts A and B, double-check that you entered the data in your calculator correctly. One minor mistake in data entry can lead to a drastically different answer! Find the mean: ___________________. Round your answer appropriately. Find the standard deviation: ___________________. Round your answer appropriately. Assuming the population is normally distributed, construct a 95% confidence interval for the mean mock exam. Show all relevant work and follow these expectations: Your work should be easy to read and follow. Use…
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The accompanying table lists the ages of acting award winners matched by the years in which the awards were won. Construct a scatterplot, find the value of the linear correlation coefficient r, and find the P-value of r. Determine whether there is sufficient evidence to support a claim of linear correlation between the two variables. Should we expect that there would be a correlation? Use a significance level of a = 0.01. Click the icon to view the ages of the award winners. Construct a scatterplot. Choose the correct graph below. OA 70- 20- 20 70 Best Actress (years) B. 70- 20- 20 70 Best Actress (years) The linear correlation coefficient is r = (Round to three decimal places as needed.) 70- 20- 20 70 Best Actress (years) Q G D. 70- 20- 20 70 Best Actress (years)
14. Forest Fires and Acres Burned An environmentalist wants to determine the relationships between the numbers (in thousands) of forest fires over the year and the number (in hundred thousands) of acres burned. The data for 8 recent years are shown. Describe the relationship. Number of fires x 72 69 58 47 84 62 57 45 Number of acres burned y 62 42 19 26 51 15 30 15
r = - 1
A, B, C, or D?

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Price in Dollars 23 26 Number of Bids 10 12 14 32 35 41 15 19 Answer How to enter your answer (opens in new window) Step 3 of 3: Calculate the correlation coefficient, r. Round your answer to three decimal places. Tables Copy Keyboard