Mathematics, 14.09.2019 10:30 mattmaddox86

How do you find the sigma of the x and y values? do you do it like a partial derivative?
regression analysis question:
infant 1 2 3 4 5 6 7 8
birth length(in) 19.75 20.5 19 21 19 18.5 20.25 20
6-month length (in) 25.5 26.25 25 26.75 25.75 25.25 27 26.5
a researcher collected data on length of birth and length at 6 months for 8 infants.
calculate the following values:
∑ x, ∑ x2 , ∑ y, ∑ xy, ∑ y2
then find ssxx and ssyy

Answers: 1

Show answers

Another question on Mathematics

Mathematics, 21.06.2019 17:00

Which of the symbols correctly relates the two numbers below check all that apply 6? 6

Answers: 2

Answer

Mathematics, 21.06.2019 18:30

Divide. write in simplest form 41/6 divided by 10

Answers: 1

Answer

Mathematics, 21.06.2019 19:00

Use the quadratic formula to solve the equation. if necessary, round to the nearest hundredth. x^2 - 23 = 10x a. -1.93, 11.93 b. 1.93, -11.93 c. 1.93, 11.93 d. -1.93, -11.93

Answers: 2

Answer

Mathematics, 21.06.2019 19:30

When 142 is added to a number the result is 64 more then 3 times the number. option 35 37 39 41

Answers: 2

Answer

You know the right answer?

How do you find the sigma of the x and y values? do you do it like a partial derivative?
reg...

Questions

Engineering, 06.12.2019 01:31

You purchased a computer with the following features: • 95% of all memory accesses are found in the cache.• each cache block is two words, and the who...

Business, 06.12.2019 01:31

National distributors has $1,000 face value bonds outstanding with a market price of $1,013. the bonds pay interest semiannually, mature in 11 years,...

Social Studies, 06.12.2019 01:31

(60 points) score a group of anthropologists from the future want to study the culture and society of the twenty-first century. they...

Computers and Technology, 06.12.2019 01:31

Anew author is in the process of negotiating a contract for a new romance novel. the publisher is offering three options. in the first option, the aut...

Mathematics, 06.12.2019 01:31

Acertain economy's consumption function is given by the equation c(x) = 0.65x + 9 where c(x) is the personal consumption expenditure in billions of do...

English, 06.12.2019 01:31

The influence of mahatma gandhi be seen most clearly in king’s rhetoric in his focus on nonviolence allusions to the bible re...

History, 06.12.2019 01:31

Which president made a national holiday to be celebrated...

Physics, 06.12.2019 01:31

Distant galaxies appear to be much larger than those nearby. true or false...

Business, 06.12.2019 01:31

The savvy entrepreneurial firm feature in chapter 12 focused on provisional patent applications. the main point of the feature is to illustrate that f...

Computers and Technology, 06.12.2019 01:31

Examine the primary reasons why project management causes a cultural change and the impact of that change on integrative information technology. suppo...

Business, 06.12.2019 01:31

In 2011 home prices and mortgage rates dropped so low that in a number of cities the monthly cost of owning a home was less expensive than renting. th...

Business, 06.12.2019 01:31

Abc corp. sold two assets on march 20th of the current year. the first was machinery with an original basis of $51,000, currently in the fourth year o...

Physics, 06.12.2019 01:31

Two point charges are located along the x axis: q1 = +5.9 μc at x1 = +4.2 cm, and q2 = +5.9 μc at x2 = −4.2 cm. two other charges are located on the...

Mathematics, 06.12.2019 01:31

If it takes 28 farmworkers to harvest 1 ton of strawberries and 12 farmworkers to harvest 1 ton of wheat, what is the opportunity cost of 5 tons of st...

Social Studies, 06.12.2019 01:31

David's marketing research returned the finding that customers were staying away from his bookstore because of a lack of services like gift cards, ret...

Business, 06.12.2019 01:31

Systems exploit the information in supply chain partners' information systems and make it available for easy reference. a. channel captain

Social Studies, 06.12.2019 01:31

Irwin has high self-control, a strong need for order, high desire for social approval, and enjoys a predictable routine. creativity is not one of his...

Mathematics, 06.12.2019 01:31

Arecent study in a small city stated that the average age of robbery victims was 63.5 years. a sample of 20 recent victims had a mean of 63.7 years an...

Physics, 06.12.2019 01:31

Block 1 has mass m1= 460 g, block 2 has mass m2= 500 g, and the pulley, which is mounted on a horizontal axle with negligible friction, has radius r=...

Health, 06.12.2019 01:31

Which of the following directly caused lauren's weight gain? view available hint(s)which of the following directly caused lauren's weight gain? increa...

More questions: Mathematics Another questions