subject

Mathematics, 06.04.2020 22:29 JPU

1. The values, x in a sample of 15 are summarized as follows
Σ(x-c) = 72,Σ(x-c)2 = 499.6
where c is a constant. Given that the sample mean is 104.8.
(a) Find the value of constant c.
(b) Find the variance of x.

ansver

Answers: 1

Show answers

Another question on Mathematics

question

Mathematics, 21.06.2019 14:00

Use the knowledge of x- and y- intercepts to choose the correct graph of the equation 3x+6y=6

Answers: 1

question

Mathematics, 21.06.2019 15:00

Write a corresponding real world problem to represent 2x - 125=400

Answers: 1

question

Mathematics, 21.06.2019 17:00

16 more than the product of 5 and p

Answers: 3

question

Mathematics, 21.06.2019 18:30

How to use order of operation in 20 divide by 4 multiply 5 = 1

Answers: 1

You know the right answer?

1. The values, x in a sample of 15 are summarized as follows
Σ(x-c) = 72,Σ(x-c)2 = 499.6
w...

Questions

question

English, 23.10.2021 20:30

Choose a topic: Technology; Sports Equipment; Clothing; Food Questions to research: Are advertisements aimed at teenagers effective? And, are they e...

question

Social Studies, 23.10.2021 20:30

When Cassandra was 6 years old she accidentally ripped a brand-new dress that she had received as a birthday present. Over the next 20 years, Cassandr...

question

Social Studies, 23.10.2021 20:30

Which map projection shows correct direction and shape, but not size and distance? A. Goode’s Interrupted Equal - Area B. Mercator C....

question

English, 23.10.2021 20:30

The plant manager and assistant manager will research these systems. Systems that show a productivity gain of at least 10 percent should be considered...

question

Geography, 23.10.2021 20:30

En un plano, ¿a qué hace referencia la escala 1:12 500?...

question

Physics, 23.10.2021 20:30

a body of mass x is raised to a height of 2m above the ground what it's potential energy if the body is allowed to fall what is it's kinetic energy wh...

question

Mathematics, 23.10.2021 20:30

HILOCYA which one dissloves faster A. small salt in cold water B lardge salt ing hot water C small salt in hot water sturring fast D. small salt cold...

question

Mathematics, 23.10.2021 20:30

The revenue for a company producing widgets is given by y = -20x^2 - 50x + 200, where x is the price in dollars for each widget. The cost for the prod...

question

Mathematics, 23.10.2021 20:30

(2^2)^3/2 What is the product of power rule...

question

Social Studies, 23.10.2021 20:30

Andrea has been finding it difficult to perform at work recently. Deborah, her boss, is concerned and calls her in for a one-on-one meeting. In the me...

question

Mathematics, 23.10.2021 20:30

What is the Prime factorization of 321411?...

question

Chemistry, 23.10.2021 20:30

The formula mass of each of the substance involved in the following reaction equation 3C1²+8NH³->6NH⁴CL+N²...

question

Computers and Technology, 23.10.2021 20:30

Please help me with this, explain the answers Thank you (advanced spreadsheets)

question

Biology, 23.10.2021 20:30

During the calvin cycle, carbon dioxide is to drive the formation of sugars....

question

Physics, 23.10.2021 20:30

What is the relationship between the processing time at a resource and its capacity?...

question

SAT, 23.10.2021 20:30

Tax returns filed manually have a 20% chance of containing errors, while tax returns filed electronically have a 0.05% chance of containing the same....

question

Mathematics, 23.10.2021 20:30

Estimate, and then compute the product. Check that your answer is reasonable...

question

Mathematics, 23.10.2021 20:30

coordinate plane with points at A 0 comma 2 and B 2 comma 0 intersected by line f Dilate line f by a scale factor of 3 with the center of dilation at...

question

Biology, 23.10.2021 20:30

An individual with a antigens on their rbcs but no b antigens has which abo blood type?...

question

History, 23.10.2021 20:30

Who was the first person to dig up human fissile...

More questions: Mathematics Another questions