RA 8 ANSWER FORM

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Purdue University *

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30301

Subject

Statistics

Date

Jan 9, 2024

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docx

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3

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STAT 30301 – RECITATION ACTIVITY 8: 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. 1. Type the 3 options in the order of the blanks provided, separating each with a comma. (1 pt) 1-sample z-test, population mean, known 2. Type your answer below: (2 points) H0: \mu = 11.5 Ha: \mu < 11.5 3. Type your answer, rounded to 2 decimal places, below: (2 points) Z = (10.691-11.5)/(2.83/sqrt(87)) = -2.67 4. Type your answer below: (2 points) P(Z < -2.67) = 0.0038 5. Type your answer, rounded to 6 decimal places, below: (1 point) 0.003793 6. Type your answer below: (1 point) -1.645 7. Type the 4 options in the order of the blanks provided, separating each with a comma. (1 pt) Reject, enough, population mean, less than GO TO NEXT PAGE FOR #8 - #15
8. Type your answer below: (1 point) H0: \mu = 3.31 Ha: \mu != 3.31 9. Type your answer, rounded to 2 decimal places, below: (2 points) t = -2.38 10. Type your answer below: (2 points) 0.01<P(t<-2.38 or t>2.38)<0.02 11. Type your answer, rounded to 6 decimal places, below: (1 point) 0.019523 12. Type your answer below: (1 point) +-2.634 13. Type your conclusion below: (2 points) Do not reject H0 at alpha = 0.01. Conclude that there is not enough evidence to support that the mean time spent studying per day is different from 3.31 hours for Purdue students. 14. Type your answer below: (1 point) Yes 15. SAVE THIS ANSWER FORM D ocument 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 8 Assignment in the Brightspace Merge course.
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