Formative 1.5-1.8

Formative 1.5-1.8

Multiple Select

According to a recent poll, 4,060 out of 14,500 people in the United States were classified as obese based on their body mass index. What's the relative frequency of obesity according to this poll? (check all that apply)

• a 7:25 ratio

• 28% of the population are classified as obese

• .72 is the obesity rate

• 28 out of every 100 people are classified as obese

According to a recent poll, 4,060 out of 14,500 people in the United States were classified as obese based on their body mass index. 

• What's the relative frequency of obesity according to this poll?

• Relative frequency---think percent----think "part over whole" 

• 
  Part -- # of ppl who are obese     whole -- total population

• 
  4,060/14,500 -- reduce or turn into a percent to describe relationship

Multiple Choice

In a survey of 2,538 people, 1,230 responded that they worked full time. What percent of people do not work full time?

• 48%

• 52%

• 50%

• 42%

In a survey of 2,538 people, 1,230 responded that they worked full time. What percent of people do not work full time?

• "Part over Whole"

• Whole--everyone surveyed 2,538

• Part--People NOT working full time (2538-1230 = 1308)

• 1308/2538 

• Rounded to 52% of respondents do not work full time

Multiple Select

Determine whether the meaning is positive or negative. Select all that are negative.

• 40 B.C.

• 40 A.D.

• Loss of 40 yards

• Surplus of $40

• 100 feet above sea level

Multiple Select

Determine whether the meaning is positive or negative. Select all that are negative.

• Gain of 40 yards

• $40 in the black

• 40 degrees below freezing

• Net gain of 40 points

Multiple Choice

A football team gains 6 yards on the first down, lost 15 yards on the second down, and gained 12 yards on the third down. How many yards does it need to gain on the fourth down to have a 10-yard gain from its starting position?

• 3 yards

• 7 yards

• 10 yards