Mathematics, 24.11.2019 14:31 shaylawaldo11
Raquel and van live in two different cities. as part of a project, they each record the lowest prices for a gallon of gas at gas stations around their cities on the same day. raquel’s data reflect a mean price of $3.42 with a standard deviation of 0.07. van’s data reflect a mean price of $3.78 with a standard deviation of 0.23. which statement is true about their gas-price data? raquel’s data are most likely closer to $3.42 than van’s data are to $3.78. van’s data are most likely closer to $3.42 than raquel’s data are to $3.78. raquel’s data are most likely closer to $3.78 than van’s data are to $3.42. van’s data are most likely closer to $3.78 than raquel’s data are to $3.42.
Answers: 1
Mathematics, 21.06.2019 18:20, acharity196
Do social recommendations increase ad effectiveness? a study of online video viewers compared viewers who arrived at an advertising video for a particular brand by following a social media recommendation link to viewers who arrived at the same video by web browsing. data were collected on whether the viewer could correctly recall the brand being advertised after seeing the video. the results are given below. correctly recalled the brandarrival 409153browsing20484b. conduct the hypothesis test, using the 0.025 level of significance. what is the value of the test statistic? χ2stat=what is the p-value? p-value=is this value significant atα=0.025?
Answers: 2
Mathematics, 21.06.2019 21:30, stichgotrich849
Janice determined there were 10 possible outcomes when tossing two coins and spinning a spinner numbered 1 through 6. what is the correct number? what might have been janice's error?
Answers: 3
Raquel and van live in two different cities. as part of a project, they each record the lowest price...
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