9) In examining the ability to complete a variety of information-seeking tasks, Nielsen Norman Group assigned randomly selected people who use iPhones to obtain the answers to a variety of questions like “How many calories are there typically in a slice of thin-crust pizza?” using either their iPhone or a desktop computer. a) State the Hypothesis to show the proportion of people finding the correct answer is lower when using an iPhone than a computer. b) The data below contains the results (either Correct or Incorrect) of the 500 people using iPhones and the 500 people accessing websites on a desktop computer. Use JMP software to test the hypothesis of part a). c) Using aplha = 0.05, draw a conclusion for the hypothesis test. Make sure you state your conclusion in the context of the problem. Answer Answer Type Correct Incorrect Total Computer 400 100 500 Iphone 375 125 500 1000
9) In examining the ability to complete a variety of information-seeking tasks, Nielsen Norman Group assigned randomly selected people who use iPhones to obtain the answers to a variety of questions like “How many calories are there typically in a slice of thin-crust pizza?” using either their iPhone or a desktop computer.
a) State the Hypothesis to show the proportion of people finding the correct answer is lower when using an iPhone than a computer.
b) The data below contains the results (either Correct or Incorrect) of the 500 people using iPhones and the 500 people accessing websites on a desktop computer. Use JMP software to test the hypothesis of part a).
c) Using aplha = 0.05, draw a conclusion for the hypothesis test. Make sure you state your conclusion in the context of the problem.
| Answer | Answer | ||
| Type | Correct | Incorrect | Total |
| Computer | 400 | 100 | 500 |
| Iphone | 375 | 125 | 500 |
| 1000 |
Trending now
This is a popular solution!
Step by step
Solved in 4 steps
