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.
Answers: 1
Mathematics, 22.06.2019 00:00
4. bob solved the inequality problem below incorrectly. explain his error and redo the problem showing the correct answer. −2x + 5 < 17 −2x + 5-5 < 17-5 -2x/-2 < 12/-2 x < -6
Answers: 2
Mathematics, 22.06.2019 00:30
An unknown number x is at most 10. which graph best represents all the values of x? number line graph with closed circle on 10 and shading to the right. number line graph with open circle on 10 and shading to the right. number line graph with open circle on 10 and shading to the left. number line graph with closed circle on 10 and shading to the left.
Answers: 1
Mathematics, 22.06.2019 01:30
Use the linear combination method to solve the system of equations. explain each step of your solution. if steps are not explained, you will not receive credit for that step. 2 + 9 = −26 −3 − 7 = 13
Answers: 2
A school district wanted to compare ACT scores between two of its schools (school A and school B). T...
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