2. Dave scored 600 on his SAT math exam. The average (mean) score on the math
exam is 500 with a standard deviation of
25. Dave scored 580 on his SAT
Vocabulary exam. The average score on
the vocabulary exam is 510 with a
standard deviation of 10.
a. Determine Dave's z-score for each exam.
(Show your work.)

Use this data in the problem below. follow the steps carefully. round to the nearest tenth. lot 3: week 1: 345 week 2: 340 week 3: 400 week 4: 325 step 1. jim enters the data and calculates the average or mean. step 2. jim calculates the deviation from the mean by subtracting the mean from each value. step 3. jim squares each deviation to remove negative signs. step 4. jim sums the squares of each deviation and divides by the count for the variance. step 5. jim takes the square root of the variance to find the standard deviation.

4. find the geometric mean of 4 and 12. 24 8

Apack of gum would be considered a(n) necessity luxury item small ticket item unaccountable expense