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Using the data given in the table below, answer the following questions. (Round your final answers to 3 decimal places.) Moviegoer Snack Spending (n = 10) Spent (Y) Age (X) 28 49 35 13 39 34 37 27 18 43 rcalc 2.72 6.56 1.58 6.35 6.12 6.75 3.65 Click here for the Excel Data File (a) Use Excel, MegaStat, or MINITAB to calculate the correlation coefficient. (A negative value should be indicated by a minus sign.) 6.07 8.24 4.27 1.025 (b) Use Excel or Appendix D to find t025 for a two-tailed test at a = .05.

Using the data given in the table below, answer the following questions. (Round your final answers to 3 decimal places.) Moviegoer Snack Spending (n = 10) Spent (Y) Age (X) 28 49 35 13 39 34 37 27 18 43 rcalc 2.72 6.56 1.58 6.35 6.12 6.75 3.65 Click here for the Excel Data File (a) Use Excel, MegaStat, or MINITAB to calculate the correlation coefficient. (A negative value should be indicated by a minus sign.) 6.07 8.24 4.27 1.025 (b) Use Excel or Appendix D to find t025 for a two-tailed test at a = .05.

MATLAB: An Introduction with Applications
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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Using the data given in the table below, answer the following questions. (Round your final answers to 3 decimal places.) Moviegoer Snack Spending (n = 10) Age (X) Spent (Y) 28 49 35 13 39 34 37 27 18 43 Click here for the Excel Data File (a) Use Excel, MegaStat, or MINITAB to calculate the correlation coefficient. (A negative value should be indicated by a minus sign.) rcalc 2.72 6.56 1.58 6.35 6.12 6.75 3.65 6.07 8.24 4.27 (b) Use Excel or Appendix D to find t025 for a two-tailed test at a = .05. 1.025
Transcribed Image Text:Using the data given in the table below, answer the following questions. (Round your final answers to 3 decimal places.) Moviegoer Snack Spending (n = 10) Age (X) Spent (Y) 28 49 35 13 39 34 37 27 18 43 Click here for the Excel Data File (a) Use Excel, MegaStat, or MINITAB to calculate the correlation coefficient. (A negative value should be indicated by a minus sign.) rcalc 2.72 6.56 1.58 6.35 6.12 6.75 3.65 6.07 8.24 4.27 (b) Use Excel or Appendix D to find t025 for a two-tailed test at a = .05. 1.025
(b) Use Excel or Appendix D to find t025 for a two-tailed test at a = .05. t.025 + (c) Calculate the test statistic. (A negative value should be indicated by a minus sign.) tcalc (d) Should we reject the null hypothesis of zero correlation? O No O Yes
Transcribed Image Text:(b) Use Excel or Appendix D to find t025 for a two-tailed test at a = .05. t.025 + (c) Calculate the test statistic. (A negative value should be indicated by a minus sign.) tcalc (d) Should we reject the null hypothesis of zero correlation? O No O Yes
Expert Solution
Step 1

Since you have posted a question with multiple sub-parts, we will solve first three sub-

parts for you. To get remaining sub-part solved please repost the complete question and

mention the sub-parts to be solved

 

(a)

 

Use EXCEL to obtain the value correlation coefficient r:

 

EXCEL procedure:

 

  1. Go to EXCEL
  2. Go to Data>Data Analysis.
  3. Choose Correlation.
  4. Enter the range as $A$1:$B$11
  5. Check the option Labels in First row.
  6. Click OK.

 

EXCEL output:

 

Statistics homework question answer, step 1, image 1

From the EXCEL output, the value of the correlation coefficient is –0.267

 

Thus, the value of correlation coefficient is –0.267.

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