RA 6 ANSWER FORM

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School

Purdue University *

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Course

30301

Subject

Statistics

Date

Jan 9, 2024

Type

pdf

Pages

2

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STAT 30301 – RECITATION ACTIVITY 6: ANSWER FORM 20 points Enter your answers & Excel outputs by their problem numbers. Save completed form as a pdf. Submit completed pdf of THIS FORM to your Brightspace STAT 30301 Merge Course for credit. GO TO NEXT PAGE FOR #8 - #14 1. Type your answer below. (2 points) Measure Notation (Letter) Value Population mean A 2.75 Sample mean B 3.17 Population standard deviation F 1.2 Sample size E 153 2. Type your answer below: (1 point) Shape: Approximately Normal 3. Type your answer below: (1 point) 𝝁 ? = 2.75 4. Type your work and answer below: (2 points) 𝝈 ? = 1.2/sqrt(153) = 0.097 5. Paste your Excel output below: (1 point) Sample Mean 3.169804 Population Standard Deviation 1.2 Sample Size 153 Standard Error of x-bar 0.097014 Confidence Coefficient 0.95 Significance Level 0.05 6. Type your answer below: (2 points) m = 0.19 7. Type your answer below. (1 point) 3.17
8. Type your answer below. (2 points) (2.98, 3.36) 9. Type your answer below: (2 points) We are 95% confident that the population mean time spent studying per day for Purdue students is between 2.98 hours and 3.36 hours. 10. Type your work and answer below. (2 points) 𝝈 ? = 1.2/sqrt(80) = 0.134 11. Type your answer below: (1 point) Because the sample size for the smaller standard error is larger. 12. Type your answer below: (2 points) (2.717,3.243) 13. Type your answer below: (1 point) a. False b. True 14. SAVE THIS ANSWER FORM Document AS A PDF ; any other file type will receive AT MOST 50% credit for the assignment. Upload your SINGLE pdf file to the Recitation Activity 6 Assignment in the Brightspace Merge course.
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