Mathematics, 14.12.2020 23:00 amoryfe28p0vpwo

A school district wanted to compare ACT scores between two of its schools (school A and school B). The dotplots below summarize the ACT scores for simple random samples of 30 students from each school. The median score was 22 for both samples. Which of the following statements is true about the mean ACT for each sample?

A) The mean score for the sample from school A is equal to the mean score for the sample from school B.
B) The mean score for the sample from school A is less than the mean score for the sample from school B.
C) The mean score for the sample from school A is greater than the mean score for the sample from school B.
D) We cannot determine the relationship between the mean ACT scores without knowing the actual scores on the exam.

A school district wanted to compare ACT scores between two of its schools (school A and school B).

Answers: 1

Show answers

Another question on Mathematics

Mathematics, 21.06.2019 16:00

The classrooms are trying to raise $1,200.00 for charity. mrs. leblanc's class has raised 50%. mr. patel's class has raised $235.14 ms. warner's class has raised 1/3 as much as mrs. leblanc's class. how much more money is needed to reach the goal of $1,200.00?

Answers: 1

Answer

Mathematics, 21.06.2019 16:10

In the rectangle below ac=30 units what is de

Answers: 1

Answer

Mathematics, 21.06.2019 18:00

Agroup of students want to create a garden. they do not know the exact measurements but they propose using a variable to represent the length and width of the garden. the length of the garden is 10 feet longer than double the width. use a single variable to write algebraic expressions for both the length and width of the garden. write an algebraic expression for the area of the garden. use mathematical terms to describe this expression.

Answers: 3

Answer

Mathematics, 21.06.2019 20:00

Someone answer asap for ! max recorded the heights of 500 male humans. he found that the heights were normally distributed around a mean of 177 centimeters. which statements about max’s data must be true? a. the median of max’s data is 250 b. more than half of the data points max recorded were 177 centimeters. c. a data point chosen at random is as likely to be above the mean as it is to be below the mean. d. every height within three standard deviations of the mean is equally likely to be chosen if a data point is selected at random.

Answers: 1

Answer

You know the right answer?

A school district wanted to compare ACT scores between two of its schools (school A and school B). T...

Questions