• 100 febrile patients are randomly assigned to receive either pill A or a placebo to see if their fever goes away. After 1 hour, researchers record whether or not each patient has a fever and which pill they took. . . . • b) Assumptions? c) Hypotheses? d) Test statistic? e) df? Critical value=3.841 f) Conclusion? g) How much more likely are people who took Pill A to have no fever than people who took the placebo? ● a) What hypothesis test? . Fever No Fever Pill A 17 33 Placebo 29 21

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
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Chapter1: Starting With Matlab
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Example: Chi-Square TOI
• 100 febrile patients are randomly assigned to receive either pill A or a placebo to see if their fever
goes away. After 1 hour, researchers record whether or not each patient has a fever and which pill
they took.
Fever
No Fever
.
a) What hypothesis test?
b) Assumptions?
c) Hypotheses?
d) Test statistic?
e) df? Critical value=3.841
Pill A
17
33
Placebo
29
21
f) Conclusion?
• g) How much more likely are people who took Pill A to have no fever than people who took the placebo?
h) If people who took Pill A were actually equally as likely to have no fever as the placebo group, did we make
an error? What type?
Transcribed Image Text:Example: Chi-Square TOI • 100 febrile patients are randomly assigned to receive either pill A or a placebo to see if their fever goes away. After 1 hour, researchers record whether or not each patient has a fever and which pill they took. Fever No Fever . a) What hypothesis test? b) Assumptions? c) Hypotheses? d) Test statistic? e) df? Critical value=3.841 Pill A 17 33 Placebo 29 21 f) Conclusion? • g) How much more likely are people who took Pill A to have no fever than people who took the placebo? h) If people who took Pill A were actually equally as likely to have no fever as the placebo group, did we make an error? What type?
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