Sampling and Statistics

How many more people 19 and under are in the French club than the Spanish club?

• 1

• 3

• 2

• 4

What is the mode of the dot plot?

• 8

• 9

• 1

• 2

When finding the median, you end up with a middle that has two numbers. What do you do?

• Take the higher number

• Take the lower number

• Take both numbers

• Take the average of the two numbers

Which interval has the highest frequency?

• 9 - 10 books

• 7-8 Books

• 5-6 Books

• 3-4 Books

What type of graph is this?

• Histograph

• Dot Matrix

• Dot Plot

• Bar Graph

A new cable TV station wants to study the TV habits of homes in HEB ISD. The station surveys each household that purchased a new TV within the last 2 years in Houston. Is this random sampling?

• Yes

• No

The graph shows the results of a survey to determine students' favorite pets. Why is this graph misleading?

• The slices are the wrong color

• The slices are not the correct size

• The percents do not add up to 100

• Not misleading

What type of display is pictured above?

• Dot Plot

• Box Plot

• Histogram

• Pie Chart

A poll about favorite sports is taken from 100 seniors in a high school where the senior class has 575 students. 23% of respondents said that baseball was their favorite sport.
The "100" is the ______

• Sample Size

• Population Size

• Statistic

• Parameter

This is what type of sample?

• cluster

• convenience

• systematic

• stratified