Blood type and COVID-19 susceptibility - A group of researchers in Wuhan, China investigated the relationship between contracting the novel coronavirus and patients' blood type. The population in Wuhan has a blood type distribution as shown in the table below. The researchers categorized $nsamp patients who had contracted coronavirus by blood type. Round all calculated values in this problem to 4 decimal places. ITT Blood Type Population Percentage COVID-19 patients Туре А 33% 115 Туре В 24% 101 Туре АВ 9% 41 Туре O 34% 118 Total 100% 375 1. Enter the expected values for the hypothesis test in the table below: Blood Type Expected Value Туре А Туре В Type AB Туре О 2. The researchers wonder if, in Wuhan, COVID-19 patients have a different distribution of blood type than the general population of Wuhan. Express this research question in terms of a null and alternative hypothesis. Ho: The distribution of blood type of COVID-19 patients is the same as v the population. Any observed difference is v due to chance. HA: The distribution of blood type of COVID-19 patients is different from v the population. Any observed difference is not due to chance.
Blood type and COVID-19 susceptibility - A group of researchers in Wuhan, China investigated the relationship between contracting the novel coronavirus and patients' blood type. The population in Wuhan has a blood type distribution as shown in the table below. The researchers categorized $nsamp patients who had contracted coronavirus by blood type. Round all calculated values in this problem to 4 decimal places. ITT Blood Type Population Percentage COVID-19 patients Туре А 33% 115 Туре В 24% 101 Туре АВ 9% 41 Туре O 34% 118 Total 100% 375 1. Enter the expected values for the hypothesis test in the table below: Blood Type Expected Value Туре А Туре В Type AB Туре О 2. The researchers wonder if, in Wuhan, COVID-19 patients have a different distribution of blood type than the general population of Wuhan. Express this research question in terms of a null and alternative hypothesis. Ho: The distribution of blood type of COVID-19 patients is the same as v the population. Any observed difference is v due to chance. HA: The distribution of blood type of COVID-19 patients is different from v the population. Any observed difference is not due to chance.
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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I need help with 1, 3 and 4 plz

Transcribed Image Text:3. Did blood type A or blood type O contribute more to the test statistic?
А. type A
ОB. type O
4. Calculate the test statistic.
x2
5. State the degrees of freedom for this test.
df =
6. Calculate the p-value for this test.
p =
7. Based on the above p-value, we have v?
evidence against the null hypothesis.
extremely strong
very strong
Help Entering Answers
strong
some

Transcribed Image Text:Blood type and COVID-19 susceptibility - A group of researchers in Wuhan, China investigated the relationship between contracting the novel
coronavirus and patients' blood type. The population in Wuhan has a blood type distribution as shown in the table below. The researchers categorized
$nsamp patients who had contracted coronavirus by blood type.
Round all calculated values in this problem to 4 decimal places.
Blood Type Population Percentage COVID-19 patients
Туре А
33%
115
Туре В
24%
101
Туре АВ
9%
41
Туре О
34%
118
Total
100%
375
1. Enter the expected values for the hypothesis test in the table below:
Blood Type
Expected Value
Туре А
Туре В
Туре АВ
Туре О
2. The researchers wonder if, in Wuhan, COVID-19 patients have a different distribution of blood type than the general population of Wuhan. Express
this research question in terms of a null and alternative hypothesis.
Họ: The distribution of blood type of COVID-19 patients is the same as
v the population. Any observed difference is
v due to
chance.
HA: The distribution of blood type of COVID-19 patients is different from v the population. Any observed difference is not v due to
chance.
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