Mathematics, 02.12.2019 22:20 leahstubbs

# Three years ago, the mean price of an existing single-family home was $243 comma 752. a real estate broker believes that existing home prices in her neighborhood are lower.

a) determine the null and alternative hypotheses.

(b) explain what it would mean to make a type i error.

(c) explain what it would mean to make a type ii error

Answers: 1

Mathematics, 04.02.2019 19:41

1. there are 25 students who started computer programming in elementary school and 25 students who started computer programming in middle school. the first group had a mean final project grade of 95% and the second group had a mean final project grade of 92%. the line plot shows the differences after 10 rerandomizations. determine whether the difference in the means of the two groups is significant based on the line plot. explain your answer.

Answers: 1

Mathematics, 04.02.2019 03:48

What is the solution to the equation in the & show work i’m very

Answers: 1

Mathematics, 03.02.2019 20:40

Simplify. −4x^2 (5x^4−3x^2+x−2) −20x^6−12x^4+8x^3−8x^2 −20x^6+12x^4−4x^3+8x^2 −20x^8+12x^4−4x^2+8x −20x^6+12x^4+4x^3−8x^2

Answers: 1

Mathematics, 03.02.2019 00:38

These box plots show the number of electoral votes one by democratic and republican presidential candidates for the elections from 1984 through 2012. which statement best compares the spread of the data sets

Answers: 2

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