Mathematics, 06.08.2019 19:30 nya4657

The mean weight of the students in a school is 70 kilograms. a random sample of 25 students was taken and the mean weight was found to be 55 kilograms with a standard deviation of 20 kilograms. what is the test statistics? express your answer into 2 decimal places (example: 25.00)

Answers: 2

Show answers

Another question on Mathematics

Mathematics, 20.06.2019 18:04

Which formula gives the area of a triangle? a=1/2(b+h)

Answers: 1

Answer

Mathematics, 21.06.2019 19:00

Write the expression in complete factored form. 5n_(c - 3) - n(c - 3) =

Answers: 2

Answer

Mathematics, 21.06.2019 19:00

The fence around a quadrilateral-shaped pasture is 3a^2+15a+9 long. three sides of the fence have the following lengths: 5a, 10a-2, a^2-7. what is the length of the fourth side of the fence?

Answers: 1

Answer

Mathematics, 21.06.2019 20:00

The length of the line segment joining the midpoints of sides ab and bc of the parallelogram abcd is 10. find the length of diagnol ac

Answers: 3

Answer

You know the right answer?

The mean weight of the students in a school is 70 kilograms. a random sample of 25 students was take...

Questions

Mathematics, 23.10.2021 20:40

A newspaper wants to estimate the approval rating for the current president by using the confidence interval method. The ideal confidence interval sho...

Mathematics, 23.10.2021 20:40

Which type of soil holds the most water? silt sand loem clay...

Mathematics, 23.10.2021 20:40

Esrimate the value of the following to the nearest whole number 1)2)

Physics, 23.10.2021 20:40

A visitor to a lighthouse wishes to determine the height of the tower. She ties a spool of thread to a small rock to make a simple pendulum, which she...

Chemistry, 23.10.2021 20:40

To determine the speed of a bunny rabbit, you measure the time in what unit? (2 points) a Fahrenheit b Kilograms...

Mathematics, 23.10.2021 20:40

the height of a certain plant can be modeled by the formula h=3t+7 where h is the height in millimeters and t is the time in days. which of the follow...

Business, 23.10.2021 20:40

For each of the following scenarios, predict how consumption changes for both consumption smoothers and hand-to-mouth consumers. How does total consum...

Physics, 23.10.2021 20:40

What is the angle formed between the vectors of centripetal acceleration and centripetal force?...

English, 23.10.2021 20:40

Someone plz help me :( ...

History, 23.10.2021 20:40

Logged in as: POLLYANA. M.FRANCO. DIAZ 9 of 25 Which of the following are primary factors for analysis when conducting an estimate of the situ...

Health, 23.10.2021 20:40

Please fill this out for me ...

Geography, 23.10.2021 20:40

M2271 + 60 X 1 2 3 4 ...

Computers and Technology, 23.10.2021 20:40

At one college, the tuition for a full-time student is $8,000 per semester. It has been announced that the tuition will increase by 3 percent each yea...

Business, 23.10.2021 20:40

Bart sends Carla an offer by express mail. Carla receives it at 10 a. m. on Tuesday. At 11 a. m. on Tuesday, Carla delivers an acceptance to Federal E...

Social Studies, 23.10.2021 20:40

Undernourished parents often raise children who are undernourished because the parents:...

Mathematics, 23.10.2021 20:40

Ms. Sublett's math class is putting three numbers (0.3, 1/4, and 20%) in order from least to greatest. What order should the numbers be from least to...

Mathematics, 23.10.2021 20:40

Translate the phrase into an algebraic expression. 8 more than x...

Physics, 23.10.2021 20:40

What evidence have you discovered to explain how analog signals transmit information?...

English, 23.10.2021 20:40

How does Helen respond to the seeming preference of others for Annabella’s musical performances?...

Mathematics, 23.10.2021 20:40

James is participating in a 7-mile walk to raise money for a charity. He has received $800 in fixed pledges and raises $11 extra for every mile he wal...

More questions: Mathematics Another questions