For which of the following research designs would a matched
pairs test be ideal? a) You have data on the mean income of
residents in 45 different cities from the 2010 census and income
information on the same cities in 2018 and you want to see if
average incomes have increased from 2010 to 2018 b) You have data
on how a random sample of voters plan to vote before the most
recent debate, and how another random sample in...
calculate:
PART A
You are performing a two-tailed t-test with a sample size of
37
If α=0.2α=0.2, and your test statistic is t=−2.02t=-2.02, do
you:
Reject Null Hypothesis
Fail to Reject Null Hypothesis
PART B:
You are performing a left-tailed z-test
If α=.005α=.005, and your test statistic is z=−2.43z=-2.43, do
you:
Fail to Reject Null Hypothesis
Reject Null Hypothesis
PART C:
You are performing a left-tailed z-test
If α=.025α=.025, and your test statistic is z=−1.91z=-1.91, do
you:
Fail to...
Learn by Doing
Matched Pairs: In this lab you will learn how
to conduct a matched pairs T-test for a population mean using
StatCrunch. We will work with a data set that has historical
importance in the development of the T-test.
Paired T hypothesis test:
μD = μ1 - μ2 : Mean of the
difference between Regular seed and Kiln-dried seed
H0 : μD = 0
HA : μD > 0
Hypothesis test results:
Difference
Mean
Std. Err.
DF
T-Stat...