Mathematics, 14.01.2021 02:20 cicimarie2018

He method of tree ring dating gave the following years A. D. for an archaeological excavation site. Assume that the population of x values has an approximately normal distribution. 1,264 1,278 1,250 1,236 1,268 1,316 1,275 1,317 1,275
A button hyperlink to the SALT program that reads: Use SALT.
(a) Use a calculator with mean and standard deviation keys to find the sample mean year x and sample standard deviation s. (Round your answers to four decimal places.)
x = Incorrect: Your answer is incorrect. A. D.
s = Incorrect: Your answer is incorrect. yr

(b) Find a 90% confidence interval for the mean of all tree ring dates from this archaeological site. (Round your answers to the nearest whole number.)
lower limit Incorrect: Your answer is incorrect. A. D.
upper limit Incorrect: Your answer is incorrect. A. D.

Answers: 2

Show answers

Another question on Mathematics

Mathematics, 21.06.2019 22:00

Write an inequality for this description. - one fourth of the opposite of the difference of five and a number is less than twenty.

Answers: 1

Answer

Mathematics, 22.06.2019 00:00

The statements below can be used to prove that the triangles are similar. ? △abc ~ △xyz by the sss similarity theorem. which mathematical statement is missing? ∠b ≅ ∠y ∠b ≅ ∠z

Answers: 2

Answer

Mathematics, 22.06.2019 01:00

The dance committee of pine bluff middle school earns $72 from a bake sale and will earn $4 for each ticket they sell to the spring fling dance. the dance will cost $400 write an inequality to determine the number, t of tickets the committee could sell to have money left over after they pay for this year's dance. what is the solution set of the inequality?

Answers: 2

Answer

Mathematics, 22.06.2019 01:30

When you find the area of a triangle do you use in. or in2

Answers: 2

Answer

You know the right answer?

He method of tree ring dating gave the following years A. D. for an archaeological excavation site....

Questions

Mathematics, 13.10.2019 15:10

Find the area of the composite figure...

Mathematics, 13.10.2019 15:10