Mathematics, 14.11.2019 21:31, stheresa777
Year number of dropouts 1 7 2 8 3 6 4 6 5 6 6 4 7 4 8 1 9 2 10 7 11 6 12 1 13 1 14 1 15 3 16 3 17 5 18 4 19 5 20 7 the table gives 20 years of data on the number of students in a particular school who dropped out in the ninth grade. a sample is taken to include only the last 3 years of this data. with this information, calculate both the population mean and the sample mean for ninth-grade dropouts per year. the population mean is 4.35. the sample mean is 5.33. the population mean is 4.21. the sample mean is 5.33. the population mean is 5.33. the sample mean is 3.75. the population mean is 5.33. the sample mean is 4.21.
Answers: 1
Mathematics, 21.06.2019 18:30, guillianaroberts
Water flows at a steady rate from a tap. its takes 40 seconds to fill a 4 litre watering can from the tap. the rate at which water flows from the tap is halved. complete: 4 litres into cm3
Answers: 3
Mathematics, 21.06.2019 22:40, anastasiasam1916
(10. in the figure, a aabc is drawn tocircumscribe a circle of radius 3 cm ,such thatthe segments bd and dc are respectively oflength 6 cm and 9 cm. find the length ofsides ab and ac.
Answers: 3
Mathematics, 22.06.2019 00:30, Jazzy4real
Jaxon has s packs of 8 crazy straws. he divided the crazy straws into 2 equal bags. now, he has 224 crazy straws in each bag. how many packs of crazy straws did jaxon start with?
Answers: 1
Mathematics, 22.06.2019 02:00, psitthibun
Huong is organizing paperback and hardback books for her club's used book sale. the number of paperbacks is 12 less than three times the number of hardbacks. huong had 162 paperbacks. how many hardback books were there?
Answers: 1
Year number of dropouts 1 7 2 8 3 6 4 6 5 6 6 4 7 4 8 1 9 2 10 7 11 6 12 1 13 1 14 1 15 3 16 3 17 5...
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