Monday

September 1, 2014

September 1, 2014

Posted by **Peter** on Friday, January 9, 2009 at 11:42pm.

A. Convert Maria's midterm score of 84 to a standard z score.

which is correct?

a. 0.083

b. 0.5

c. 0.2

d. 1.2

e. 6

B Convert Zoe's midterm score of 89 to a standard z score.

a. 1.2

b. 0.5

c. 6

d. 0.917

e. 2.2

C. Who did better relative to her class?

a. Maria

b. Zoe

c. They performed the same.

d. Neither

e. Cannot determine

- AP Stats -
**Damon**, Saturday, January 10, 2009 at 5:26amI will do the Maria part, then you do the rest

Mean = 78

score = 84

score above mean = 84 - 78 = 6

sigma = 5

6/5 = 1.2 standard deviations above mean

**Answer this Question**

**Related Questions**

Algebra II - Maria and Zoe are taking Biology 105 but are in different classes. ...

Statistics - Maria and Zoe are taking Biology 105 but are in different classes. ...

AP Statistics - Maria and Zoe are taking Biology 105 but are in different ...

Math - Maria is playing a game of chance at the Hibiscus festival, costing $1 ...

Math - Maria leaves her house to meet jane at the zoo. Jane lives further away ...

Math - pedro and maria spend the same amount of time driving to school. pedr ...

math - maria colleen patsy and kenyada are 8,9,10,and 11years old. maria is ...

Math - Maria Is Making a Beaded Necklaces For Her Friends. Each Friend Has Told ...

Please can you help me (Probability) - Maria is playing a game of chance at the ...

SPANISH 1 - i need help to make sure i translated these sentences correctly... (...