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Mathematics, 21.06.2019 12:30
Suppose there are 10 five and six-year-old attending a birthday party. when a 30 year old mother walks into the room with an infant in her arms, what happens to the mean age in the room? what happens to the standard deviation of ages in the room? a. the mean and standard deviation of both change. b. the meaning will change, but the standard deviation will stay approximately the same. c. i mean will stay approximately the same, but the standard deviation will change. d. the mean and standard deviation will both stay approximately the same.
Answers: 1
Mathematics, 21.06.2019 19:30
The amount spent on food and drink by 20 customers is shown below what is the modal amount spent and the median? 40 25 8 36 18 15 24 27 43 9 12 19 22 34 31 20 26 19 17 28
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Mathematics, 21.06.2019 20:30
Ateacher brought a pack of 17 batteries . each calculator uses 3 batteries . how many calculator can the teacher fill with batteries
Answers: 2
Chemistry, 24.06.2020 02:01
Mathematics, 24.06.2020 02:01
Mathematics, 24.06.2020 02:01
Mathematics, 24.06.2020 02:01
Mathematics, 24.06.2020 02:01
Mathematics, 24.06.2020 02:01
Mathematics, 24.06.2020 02:01
Mathematics, 24.06.2020 02:01
Mathematics, 24.06.2020 02:01
Mathematics, 24.06.2020 02:01
Mathematics, 24.06.2020 02:01