SP 1-4 Data and Statistics Practice

Sabby has to come up with a main research question for his statistics project. Which question would be a suitable statistical question to investigate?

• How many minutes did students spend studying for the test?

• What color is the sign at Charley's Ice Cream Shop?

• How many teachers are in the 6th grade?

• How many days did you have math homework this week?

Determine if each question is a statistical question or not.

How many pets do your classmates have?

• Statistical

• Non-statistical

Determine if each question is a statistical question or not. What color is your hair?

• Statistical

• Non-statistical

Determine if each question is a statistical question or not.

How many hours of TV does each student at your school watch each week?

• Statistical

• Non-statistical

Study the box plot shown. The ________ of the box plot is 30.

• minimum

• median

• upper quartile

• maximum

Ms. Ventura analyzes the scores her 30 students earn on their math exam. The results were a mean score of 78 out of 100, a median score of 82, and a range of 33. Which statement must be true about the scores the students earned?

• The highest score earned by any student was an 82.

• The lowest score earned by any student was a 33.

• 50% of the students earned a 78 or higher.

• 50% of the students earned an 82 or lower.

Consider the dot plot shown. Which statement is false?

• This dot plot is skewed right.

• This dot plot has 2 gaps.

• This dot plot is symmetric.

• This dot plot has a range of 10.

What is the mode of the data in the dot plot?

• 3 and 5

• 3

• No Mode

• Each number has more than one dot so each number is a mode.

Which measure of central tendency is most evident from the data displayed in the line plot?

• range

• mean

• median

• mode

The dot plot shows the scores of 12 friends playing miniature golf. What is the mean of the data?

• 52

• 53

• 54

• 56