Mathematics, 21.01.2021 22:20 Quakersoatmeal9
Computing variance by hand is a tedious process. To compute the sample standard deviation, we can use R using the command (sd(name of data))^2. But there is no direct command to compute the population variance. For a population of size n, give the correction factor by which you must multiply the final answer from R to convert it from a sample variance to a population variance. (Hint: Review the population variance formula and the sample variance formula.)
Answers: 2
Mathematics, 21.06.2019 19:00, alaina3792
Lucy is a dress maker. she sews \dfrac47 7 4 of a dress in \dfrac34 4 3 hour. lucy sews at a constant rate. at this rate, how many dresses does lucy sew in one hour? include fractions of dresses if applicable
Answers: 3
Mathematics, 21.06.2019 20:20, shartman22
20 solve 2(4 x + 3) < 5 x + 21. a) { x | x < 9} b) { x | x > -5} c) { x | x > -9} d) { x | x < 5}
Answers: 2
Mathematics, 21.06.2019 23:30, JellalFernandes
Atruck can be rented from company a $50 a day plus $0.60 per mile. company b charges $20 a day plus $0.80 per mile to rent the same truck. find the number of miles in a day at which the rental costs for company a and company b are the same
Answers: 1
Computing variance by hand is a tedious process. To compute the sample standard deviation, we can us...
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