subject

Mathematics, 02.10.2020 15:01 devinmoore4664

Please I need help nowplease The number of litres of petrol purchased by a random sample of motor vehicle drivers is shown below:
Questions:
a)Find the mean
b)Find the standard deviation
c)Find the unbiased estimates of the mean and variance for the population this sample comes from.

ansver

Answers: 3

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 13:10, arielpraczko1

(a) solve h+2/6 = h-3/4(b) solve the following simultaneous equations. 2x = y + 66x - 2y = 13x = ? y = ?

Answers: 1

Mathematics, 21.06.2019 15:30, Jasten

Amerchant has coffee worth $60 a pound that she wishes to mix with 50 pounds of coffee worth $90 a pound to get a mixture that she will sell for $70 a pound. how many pounds of the & 60 coffee should be used?

Answers: 3

Mathematics, 21.06.2019 17:00, marisajuarez14

What is the y intercept of f(x)=(1/2)^x?

Answers: 1

Mathematics, 21.06.2019 17:20, kyle696969

Consider the expression below. 9 + 4(x + 2) – 3.1 select the term that best describes "3" in the given expression. o a. coefficient variable exponent constant

Answers: 2

You know the right answer?

Please I need help nowplease The number of litres of petrol purchased by a random sample of motor v...

Questions in other subjects:

Konu

History, 18.02.2020 23:19

Which accomplishments are attributed to Galileo Galilei? Select all the correct answers. confirmed that the earth revolves around the sun produced a precise astronomical calendar c...

Konu

Physics, 18.02.2020 23:19

In the standing broad jump, one squats and then pushes off with the legs to see how far one can jump. Suppose the extension of the legs from the crouch position is 0.55 m and the a...

Konu

Mathematics, 18.02.2020 23:19

The late fees for a school library are represented by the function c=.25d where c is the total cost and d is the number of days a book is late . Compare the functions' y- intercept...

Konu

Physics, 18.02.2020 23:19

In a fast-pitch softball game the pitcher is impressive to watch, as she delivers a pitch by rapidly whirling her arm around so that the ball in her hand moves in a circle. In one...

Konu

English, 18.02.2020 23:19

What method of paragraph development does the writer use in the paragraph below (i. e. narration, exposition, description )? Defend your answer by describing how the paragraph is s...

Konu

English, 18.02.2020 23:19

The narrator remarks on the sharp contrast between Malètroit’s expression (paragraph 2) and his...

Konu

Business, 18.02.2020 23:19

An organization uses CRM systems to capture customer information and interactions data and to centrally store this information. It can also analyze this data and glimpse better sol...

Konu

Social Studies, 18.02.2020 23:19

In the case below, the original source material is given along with a sample of student work. Determine the type of plagiarism by clicking the appropriate radio button. Origi...

Konu

Physics, 18.02.2020 23:19

In the figure a solid sphere of radius a = 2.00 cm is concentric with a spherical conducting shell of inner radius b = 2.00a and outer radius c = 2.40a. The sphere has a net unifor...

Konu

Mathematics, 18.02.2020 23:19

Enter the values for the variables tht give the correct simplified expressions, x=>0...

More questions: Mathematics Another questions