Mathematics, 24.05.2021 05:20 danielahalesp87vj0
A study by the department of education of a certain state was trying to determine the
mean SAT scores of the graduating high school seniors. The study examined the
scores of a random sample of 209 graduating seniors and found the mean score to be
512 with a standard deviation of 80. Determine a 95% confidence interval for the
mean, rounding all values to the nearest tenth.
Answers: 3
Another question on Mathematics
Mathematics, 21.06.2019 20:00
Frank owns a $141,000 home, for which he has a 30-year mortgage in the amount of $700 a month. once he has paid off mortgage, how much will he have paid in investment? a. $111,000 b. $109,000 c. $120,000 d. $141,000
Answers: 1
Mathematics, 21.06.2019 20:00
Afrequency table of grades has five classes (a, b, c, d, f) with frequencies of 3, 13, 14, 5, and 3 respectively. using percentages, what are the relative frequencies of the five classes?
Answers: 3
Mathematics, 21.06.2019 20:00
True or false: the graph of y=f(bx) is a horizontal compression of the graph y=f(x) if b< 1
Answers: 2
You know the right answer?
A study by the department of education of a certain state was trying to determine the
mean SAT scor...
Questions
Spanish, 21.04.2020 20:55
Social Studies, 21.04.2020 20:55
Mathematics, 21.04.2020 20:55
Mathematics, 21.04.2020 20:55
Mathematics, 21.04.2020 20:55
Mathematics, 21.04.2020 20:55
Biology, 21.04.2020 20:55
