#6

Identify the lower classlimits, upper classlimits, classwidth, classmidpoints, and class boundaries for the given frequency distribution. Also identify the number of individuals included in the summary.

Blood Platelet Count of Females(1000 cells/L) Frequency

100-199 27

200-299 95

300-399 27

400-499 1

500-599 3

Identify the lower class limits.

_______, ________, ________, _______, ________.

(Type integers or decimals. Do not round. Use ascendingorder.)

Identify the upper class limits.

_______, _______, ________, _______, ________.

(Type integers or decimals. Do not round. Use ascendingorder.)

Identify the class width.

________.

(Type an integer or a decimal. Do notround.)

Identify the class midpoints.

________, ________, ________, ________, ________.

(Type integers or decimals. Do not round. Use ascendingorder.)

Identify the class boundaries.

________, ________, ________, ________, _______, ________.

(Type integers or decimals. Do not round. Use ascendingorder.)

Identify the number of individuals included in the summary.

_________.

(Type a wholenumber.)

#11

Construct a scatter diagram using the data table to the right. This data is from a study comparing the Full data set amount of tar and carbon monoxide (CO) in cigarettes. Use tar for the horizontal scale and use carbon Tar CO Tar CO Tar CO monoxide (CO) for the vertical scale. Determine whether there appears to be a relationship between 16 15 13 14 2 3 cigarette tar and CO. 15 14 8 17 10 11 1 15 16 6 7 17 16 18 18 13 14 5 14 14 11 11 Construct a scatter diagram. OA. B. OC. OD. I ACO ACO ACO ACO 204 20- 20- 20 -4 16- 16 16 9 12 12- 0-5 lar 4 Tar Tar lar 0 4 3 12 16 20 4 8 12 16 20 4 8 12 16 20 4 8 12 16 20 lentif Is there a relationship between cigarette tar and CO? O A. No, there appears to be no relationship othin O B. Yes, as the amount of tar increases the amount of carbon monoxide decreases O C. Yes, as the amount of tar increases the amount of carbon monoxide also increases