Defining a Density Curve assignment

A density curve is shown. Which point on the density curve represents the median value?

B

Which shows a uniform density function?

B

The density curve represents the time, in hours, thatMrs. Willman's piano students spend practicing each week. Complete the statements about the shaded portion of the density curve. The shaded portion of the density curve represents the students who practice between ___ and ___ hours each week. This group of students is ____ % of all of mrs. williman's students

- 6 -8 -14

Jasmine drew this display to represent the amount of time people spent completing an online survey. Which statements are true? Check all that apply.

-To be a density curve, the area between the x-axis and the curve must be 1. -This could be a density curve because all points on the curve are above the x-axis.

The density curve represents the time, in hours, thatMrs. Willman's piano students spend practicing each week. Complete the statement about the shaded portion of the density curve. Aleesha's weekly practice time places her at the 75th percentile of mrs. willman's students. this means Aleesha practices the piano ________________, which is ______ hours per week.

-more than 75% of Mrs. willman's students -10.5

The density curve represents the measurement, in feet, of all of the statues carried at a landscape supply store. What is the height of the density function?

0.2

The density curve represents the amount of extra time, in minutes, that a group of students slept after hitting the snooze button on their alarm clocks. What percentage of students snooze between 6 and 12 extra minutes before rising?

40%

This density curve represents the number of hoursMr. Hernandez's students spent studying for their chemistry exam. Which statement best describes the values of the median and mean for the density curve?

The median and mean of the values are about equal.

This density curve represents the amount of time students spend waiting for their morning bus to school. If the median of the density curve is 1.5, which value could be the mean of the density curve?

μ = 2.5