Select the correct answer.
mr. brown's thrift shop
quarter of 2012 profit (in dollars)
1
$9,841.28
2
$8,957.67
3
$7,429.84
$11,095.67
how much total profit did mr. brown's store earn in the third and fourth quarters?
a $17,298.45
b. $17,548.65
c. $18,124.78
d. $18,525.51

1. there are 25 students who started computer programming in elementary school and 25 students who started computer programming in middle school. the first group had a mean final project grade of 95% and the second group had a mean final project grade of 92%. the line plot shows the differences after 10 rerandomizations. determine whether the difference in the means of the two groups is significant based on the line plot. explain your answer.

Anormally distributed data set has a mean of 176.3 and a standard deviation of 4.2. what is the approximate z-score for the data value of 167.9? 2.00 −2.00 8.4 −8.4

The focus of parabola is (-4, -5), and its directrix is y= -1. fill in the missing terms and signs in parabolas equation in standard form