I need help with this question.
How to Solve this?
...
Answers: 3
Mathematics, 21.06.2019 18:40
2people are trying different phones to see which one has the better talk time. chatlong has an average of 18 hours with a standard deviation of 2 hours and talk-a-lot has an average of 20 hours with a standard deviation of 3. the two people who tested their phones both got 20 hours of use on their phones. for the z-scores i got 1 for the chatlong company and 0 for talk-a-lot. what is the percentile for each z-score?
Answers: 1
Mathematics, 21.06.2019 19:00
What is the correlation coefficient between the variables? round to three decimal places. enter your answer in the box
Answers: 2
Mathematics, 19.10.2021 19:40
Geography, 19.10.2021 19:40
Mathematics, 19.10.2021 19:40
Mathematics, 19.10.2021 19:40
Business, 19.10.2021 19:40
Chemistry, 19.10.2021 19:40
Mathematics, 19.10.2021 19:40
Biology, 19.10.2021 19:40
Mathematics, 19.10.2021 19:40
Mathematics, 19.10.2021 19:40