Click the link below to open the formula sheet for this test…
Click the link below to open the formula sheet for this test in a new tab . Leave that tab open during the exam. If the link does not work, for some reason, you can reference the image of the formula sheet below. However, that will require scrolling back to the top of the test, as needed. BUS 271 Test 1 Formula Sheet Is there a formula sheet link provided?
Read DetailsLaura listens to one of 3 different podcasts while exercisin…
Laura listens to one of 3 different podcasts while exercising. Podcast A is 15 minutes long, podcast B lasts 30 minutes, and podcast C is 90 minutes. Last month Laura listened to podcast A 19 times, podcast B 4 times, and podcast C 2 times. Using the number of times times Laura listened to each podcast as weights, compute the weighted mean podcast time for Laura last month.
Read DetailsLaura listens to one of 3 different podcasts while exercisin…
Laura listens to one of 3 different podcasts while exercising. Podcast A is 15 minutes long, podcast B lasts 30 minutes, and podcast C is 90 minutes. Last month Laura listened to podcast A 19 times, podcast B 4 times, and podcast C 2 times. Briefly explain why the unweighted mean you computed above is different from the simple, unweighted mean. Note: No computations are required for this part. I simply am asking you to explain why the weighted mean is higher, lower, or about the same as the unweighted mean.
Read DetailsYou are researching housing prices in a neighborhood of medi…
You are researching housing prices in a neighborhood of medium-sized older homes. Recently, a wealthy retiree moved into the neighborhood and built a massive new home. If you want a number that best reflects the representative home price in the neighborhood, would you choose the mean or the median price? Pick one and explain/justify your choice.
Read DetailsAssume the average cantaloupe weighs 3 pounds, with a standa…
Assume the average cantaloupe weighs 3 pounds, with a standard deviation of 0.75 pounds. Meanwhile, the average length of an action movie is 105 minutes, with a standard deviation of 14 minutes. ANSWER BOTH QUESTIONS IN THE TEXT/RESPONSE BOX BELOW. SHOW AS MUCH OF YOUR WORK AS POSSIBLE. A) Compute the z-score for a cantaloupe weighing 5 pounds. Show 2 digits after the decimal. B) Compute the z-scroe for an action movie lasting 80 minutes. Show 2 digits after the decimal.
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