Mathematics, 21.11.2019 02:31 chimwim7515
Which statement is most nearly correct, other things being equal? a) doubling the sample size will cut the standard error of the mean in half. b) the standard error of the mean depends on the population size. c) quadrupling the sample size roughly halves the standard error of the mean. d) the standard error of the mean depends on the confidence level.2) the central limit theorem (clt) implies that: a) the population will be approximately normal if n ? 30.b) repeated samples must be taken to obtain normality. c) the distribution of the mean is approximately normal for large n. d) the mean follows the same distribution as the population.3)the owner of limp pines resort wanted to know the average age of its clients. a random sample of 25 tourists is taken. it shows a mean age of 46 years with a standard deviation of 5 years. the width of a 98 percent ci for the true mean client age is approximately:
Answers: 2
Mathematics, 21.06.2019 19:20
Suppose that a households monthly water bill (in dollars) is a linear function of the amount of water the household uses (in hundreds of cubic feet, hcf). when graphed, the function gives a line with slope of 1.65. if the monthly cost for 13 hcf is $46.10 what is the monthly cost for 19 hcf?
Answers: 3
Mathematics, 21.06.2019 20:00
A. what does the point (4, 122) represent? b. what is the unit rate? c. what is the cost of buying 10 tickets?
Answers: 2
Mathematics, 21.06.2019 23:00
Type the correct answer in each box. use numerals instead of words. the average number of subscribers to an online magazine each year from 2010 to 2015 is given in the table below. the average number of subscribers to the online magazine in 2010 was the percent increase in the average number of subscribers in 2011 to the average number of subscribers in 2012 was %. the maximum average number of subscribers to the online magazine in the years shown was
Answers: 2
Mathematics, 22.06.2019 01:30
Atriangle has side lengths of x, x+11, and 3x+5. what is the perimeter? question 1 options: 3x2+38x+55 3x3+38x2+55x 5x+16 4x+16
Answers: 2
Which statement is most nearly correct, other things being equal? a) doubling the sample size will c...
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