Given two independent random samples with the following results:
n1=9 n2=10
x‾1=1...
Mathematics, 31.03.2020 02:40, lorrainetakai1738
Given two independent random samples with the following results:
n1=9 n2=10
x‾1=119 x‾2=142
s1=14 s2=18
Use this data to find the 95% confidence interval for the true difference between the population means. Assume that the population variances are not equal and that the two populations are normally distributed.
Answers: 2
Mathematics, 21.06.2019 17:00, mmassaro19
Amanager recorded the number of bicycles sold by his company each quarter. his projected sales after t years is given by the expression below. which of the following statements best describes the expression? a. the initial sales of 575 bicycles increases at the rate of 4% over 4 quarters. b. the initial sales of 575 bicycles increases at the rate of 18% over 4 years. c. the initial sales of 575 bicycles increases at the rate of 4% over t quarters. d. the initial sales of 575 bicycles increases at the rate of 18% over t years.
Answers: 1
Mathematics, 21.06.2019 18:30, mikey8510
The median of a data set is the measure of center that is found by adding the data values and dividing the total by the number of data values that is the value that occurs with the greatest frequency that is the value midway between the maximum and minimum values in the original data set that is the middle value when the original data values are arranged in order of increasing (or decreasing) magnitude
Answers: 3
Mathematics, 21.06.2019 19:10, madimocaj
Angle xyz is formed by segments xy and yz on the coordinate grid below: a coordinate plane is shown. angle xyz has endpoints at 3 comma negative 1 and 6 negative 2 and 3 comma negative 3 and measures 36.87 degrees. angle xyz is rotated 270 degrees counterclockwise about the origin to form angle x′y′z′. which statement shows the measure of angle x′y′z′?
Answers: 2
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