Mathematics, 23.04.2020 19:17 blan69
Consider that a data set of 10 data points has a mean of 5. If every data point was doubled in the set, how might that affect the mean of the data set?
a) The mean would double to 10.
b) The mean would increase by 2 to 7
c) The mean would increase by 50.
d) The mean would remain to be 5.
Answers: 3
Mathematics, 21.06.2019 15:00, lm18618
Jeffery conducted a survey in his school and found that 30 of the 50 eighth grade students' favorite subject is mathematics. based on the results, jeffery concluded that out of the 200 students in his school, 120 students' favorite subject is mathematics. select the statement that is true about jeffery's conclusion. a. jeffery's conclusion is not valid because the sample was biased since only 200 students were surveyed. b. jeffery's conclusion is valid because the sample was random since all of the students were eighth grade students. c. jeffery's conclusion is valid because the sample was random. d. jeffery's conclusion is not valid because the sample was biased since all of the students were eighth grade students.
Answers: 2
Mathematics, 21.06.2019 21:00, natjojo0512
Rewrite the following quadratic functions in intercept or factored form. show your work. f(x) = 3x^2 - 12
Answers: 1
Mathematics, 21.06.2019 21:30, myhomeacc32
Acoffee shop orders at most $3,500 worth of coffee and tea. the shop needs to make a profit of at least $1,900 on the order. the possible combinations of coffee and tea for this order are given by this system of inequalities, where c = pounds of coffee and t = pounds of tea: 6c + 13t ≤ 3,500 3.50c + 4t ≥ 1,900 which graph's shaded region represents the possible combinations of coffee and tea for this order?
Answers: 1
Mathematics, 21.06.2019 22:00, hannahpalmario
The customer price index(cpi), which measures the cost of a typical package of customer goods, was 208.8 in 2011 and 244.1 in 2016.let x=11 corresponding to the year 2011 an estimate to cpi into 2013 and 2014. assume that the data can be modeled by a straight line and the trend to continue idenfinitely. use data points to find such a line and then estimate the requested quantities
Answers: 1
Consider that a data set of 10 data points has a mean of 5. If every data point was doubled in the s...
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