The following data represents the weights in pounds of 12 players on the 2002 WNBA team, LA Sparks:

198, 206, 190, 148, 160, 170, 165, 125, 172, 160, 165, 145

Calculate the mean and standard deviation of this data. Round the standard deviation to the nearest whole number

Mean = s =

Data
Total

Represent the mean on a # line and go out 3 standard deviations above and below the mean:

Describe the consistency of this data. Be specific!

Use the Empirical Rule to solve the following problems

3.A set of test scores is normally distributed with a mean of 100 and a standard deviation of 20.

a. Draw and label the normal curve. (Don't forget the word label on the x-axis.)

b. Find the percentage of scores that are less than 80.

c. What is theprobability that a score picked at random is less than 60?

d. Where do the middle 68% of all scores lie?

e. Find the percentage of scores that are between 60 and 140.

f. Which scores did the top 0.15% of students make?

g. Find the percentage of scores that are greater than 100.

h. What is theprobability that a score picked at random is greater than 120?

i. Find the percentage of scores that are less than 40.

j. Which scores did the bottom 2.5% of students make?

4. A vending machine is designed to dispense a mean of 7.6 oz of coffee. It has a standard deviation of .4 oz.

a. Draw and label the normal curve. (Don't forget the word label on the x-axis.)

b. What is the probability that machine dispense more than 8 oz.

c. What is theprobability that the machine dispenses less than 8 oz?

d. What is theprobability that the machine dispenses less than 6.4 oz?

e. What is theprobability that the machine dispenses between 6.4 oz and 7.6 oz?

f. What is theprobability that the machine dispenses between 6.8 oz and 8.8 oz?

g. What is theprobability that the machine dispenses between 8 oz and 8.4 oz?

h. What is theprobability that the machine dispenses between 6.4 oz and 6.8 oz?