PSY 1100 Ohio University Wk 3 Statistics Quartiles Questions Use the numbers below for this problem only X Y 4 5 -2 6 1 -0 8 5 -6 0 8 8 0 -8 (ΣX)(ΣY) =

PSY 1100 Ohio University Wk 3 Statistics Quartiles Questions Use the numbers below for this problem only

X Y
4 5
-2 6
1 -0
8 5
-6 0
8 8
0 -8

(ΣX)(ΣY) =

Use the numbers below for this problem only

X Y
2 3
-2 2
8 -8
5 6
-1 2
1 5
8 -7

Σ(X + 2Y) =

se the numbers below for this problem only

X Y
4 2
-7 5
6 -4
4 5
-4 0
4 3
2 -0

ΣY 2- 10 =

Use the numbers below for this problem only

XY
6 0
-5 6
0 -8
5 4
-1 6
6 1
5 -5

(ΣX) 2 + ΣY =

Use the numbers below for this problem only

X Y
5 0
-4 3
2 -5
6 4
-7 3
4 4
0 -4

ΣXY =

Use the numbers below for this problem only

X Y
3 3
-5 2
4 -6
4 8
-4 1
8 2
3 -1

(ΣX) – (ΣY) =

This question is based on a sample summarized in the stemplot below. (Use the numbers below only for this question.)

At a high-end shoe store, customers were asked how many pairs of shoes they owned. Systematic random sampling was used. These are their answers.

Stem

Leaf

0

2 4 5 8

1

0 3 5 8

2

0 2 4 7

Compute the following. When necessary round your final answer to 2 decimal places. Enter only the number answer; do not include a word label.

What is the value of the mean for the above data?

In the data set below, which value constitutes an outlier?

708.319, 727.225, 717.057, 743.087, 698.117, 712.88, 654.524, 330.064, 677.284, 665.629, 654.037, 710.497