DrSaberAhmed

5:05

official SAT Test No 09 Section 4 (Statistics Problem -Mean- Median)

The list shown gives the heights, in inches, for the 6 ten-year-old children in a group. 52, 53, 54, 54, 55, 56 A seventh child with a height of 60 inches will be added to the group. Which of the following correctly describes how the mean and the median of the group will change when the seventh child is added?

11 months ago

6:05

official SAT Test No10 Section 4 (Best fit line - Regression Line - Estimation Line)

Questions 10 and 11 refer to the following information. In a certain school district 36 high school students were selected at random for a study on Internet and line reading habits. During October* each student reported the average amount of time, to the nearest halt hour, spent reading offline on Saturdays and the average amount of time* to the nearest halt hour, spent using the Internet on Saturday s The scatter plot above shows the times recorded by the students. A line of best fit is also shown. 10) The line of best fit underestimates one student s : reported average time spent using the internet on Saturdays by more than 2 hours. For how many hours did this student report reading offline?

11 months ago