STA 2023 CRN 32542 Summer 2018 Homework: Chapter 22 Score: 0 of 1 pt x22.1.11-T

Question

STA 2023 CRN 32542 Summer 2018 Homework: Chapter 22 Score: 0 of 1 pt x22.1.11-T A medical researcher measured the pulse rates (beats per minute) of a sample of randomly selected b) What's the margin of ermor for this interval 11 of 23 0 output means had calculated a 95% confiance merval. would the margin of error be larger or smaler? c) If the a) Explain carefully what the softeare output means We are 96% confident the interval 63 4 to 67.7 beats per minute cotans The interval 63 4 to 5Z 7 beats per "inute contains the hue mean heart rate g6% of the tme 9S% of all pulse rates w" havo a mean rate bemoen 63 410 67 7 beats picniul. 95% of the phe rates wu be behnen 63 4 to 67 7 beats per mhho A. true mean heart B. ?? OD b) Whats the margin of ernor for this interval? (Round to one deckmal place

Explanation / Answer

b) Margin of error = (67.7 - 63.4)/2 = 2.2

                                

                                 

                                                      

                                

               

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