Mathematics, 21.01.2021 20:00, hernandezbrandon059

I am lost on this assignment and need help can someone do this step by step so I won’t fail this class 1. A set of data consists of the following scores:
7 3 9 5 4
For these data, find the values for:

a. ∑X2 b. ( ∑ X)2 c. ∑ X2 + 5

2. Summation notation for two variables.
The following data consists of pairs of scores ( X and Y ) for four individuals.

X Y

5 8
2 10
3 11
7 2
Determine the values of the following expressions:

A. ∑ X Y B. ∑(X)( ∑Y)

Answers: 1

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 14:50, fdasbiad

Simplify 5 square root of 7 end root plus 12 square root of 6 end root minus 10 square root of 7 end root minus 5 square root of 6 . (1 point) 5 square root of 14 end root minus 7 square root of 12 5 square root of 7 end root minus 7 square root of 6 7 square root of 12 end root minus 5 square root of 14 7 square root of 6 end root minus 5 square root of 7

Answers: 2

continue

Mathematics, 21.06.2019 16:50, lucyamine0

The parabola y = x² - 4 opens: a.) up b.) down c.) right d.) left

Answers: 1

continue

Mathematics, 21.06.2019 19:00, morgeron6071

Which statement best explains why ben uses the width hi to create the arc at j from point k

Answers: 2

continue

Mathematics, 21.06.2019 20:30, dominaricann2451

When you have 25 numbers, and jake picks 3 random numbers and puts them back, what is the chance bob has of picking those 3 numbers when he picks 6 random numbers (without putting them back)? explain.

Answers: 1

continue

Do you know the correct answer?

I am lost on this assignment and need help can someone do this step by step so I won’t fail this cla...