Mathematics, 02.04.2021 18:20, snowprincess99447
NEED HELP ASAP
The number of hours per week that twenty students in a mathematics classroom study are represented by the data below.
1, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3, 5, 6, 7, 7, 7, 9, 9, 9, 9
Which statements about the data are true? Choose all that are correct.
A) The median number of hours spent studying per week is 3.
B) The mean number of hours spent studying per week is 4.55.
C) The median number of hours spent studying per week is 4.
D) The mean absolute deviation of time spent studying per week is approximately 2.7 hours.
E) The number of hours spent studying per week cluster closely around the median number of hours spent studying.
Answers: 3
Mathematics, 21.06.2019 18:40, sunshine52577oyeor9
20 points for the brainliest? drag each tile to the correct box. not all tiles will be used. arrange the steps to solve the equation . plz
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Mathematics, 21.06.2019 21:40, dededese2403
Astudy was interested in determining if eating milk chocolate lowered someone's cholesterol levels. ten people's cholesterol was measured. then, each of these individuals were told to eat 100g of milk chocolate every day and to eat as they normally did. after two weeks, their cholesterol levels were measured again. is there evidence to support that their cholesterol levels went down? how should we write the alternative hypothesis? (mud = the population mean difference= before - after)a. ha: mud = 0b. ha: mud > 0c. ha: mud < 0d. ha: mud does not equal 0
Answers: 1
NEED HELP ASAP
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