and what mBq
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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and what mBq

Transcribed Image Text:Listed in the data table are amounts of strontium-90 (in millibecquerels, or mBq, per gram of calcium) in a simple random sample of baby teeth obtained from
residents in two cities. Assume that the two samples are independent simple random samples selected from normally distributed populations. Do not assume that the
population standard deviations are equal. Complete parts (a) and (b) below.
E Click the icon to view the data table of strontium-90 amounts.
a. Use a 0.05 significance level to test the claim that the mean amount of strontium-90 from city #1 residents is greater than the mean amount from city #2 residents.
What are the null and alternative hypotheses? Assume that population 1 consists of amounts from city #1 levels and population 2 consists of amounts from city #2.
OA. Ho: H1 SH2
H: H1> H2
OC. Ho: H1H2
H4: H1 > H2
O B. Ho: H1 =H2
H: H1# H2
D. Ho: H1=H2
H: H1> H2
The test statistic is. (Round to two decimal places as needed.)

Transcribed Image Text:More Info
City #1
102
City #2
117
86
63
121
100
117
85
101
83
104
107
213
110
118
111
290
143
100
133
312
101
145
209
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