A researcher was interested in studying if there is a significant relationship between the severity of COVID 19 and blood types of individuals. 2400 individuals were studied and the results are shown...


A researcher was interested in studying if there is a significant relationship between the severity<br>of COVID 19 and blood types of individuals. 2400 individuals were studied and the results are<br>shown below.<br>Condition<br>Blood Type<br>A<br>AB<br>Total<br>Critical<br>64<br>44<br>20<br>8<br>136<br>Severe<br>175<br>129<br>50<br>15<br>369<br>Moderate<br>211<br>528<br>151<br>125<br>1015<br>Mild<br>200<br>400<br>140<br>140<br>880<br>Total<br>650<br>1101<br>361<br>288<br>2400<br>a. State both the null and alternative hypotheses.<br>b. Provide the decision rule for making this decision. Use an alpha level of 5%.<br>c. Show all of the work necessary to calculate the appropriate statistic.<br>

Extracted text: A researcher was interested in studying if there is a significant relationship between the severity of COVID 19 and blood types of individuals. 2400 individuals were studied and the results are shown below. Condition Blood Type A AB Total Critical 64 44 20 8 136 Severe 175 129 50 15 369 Moderate 211 528 151 125 1015 Mild 200 400 140 140 880 Total 650 1101 361 288 2400 a. State both the null and alternative hypotheses. b. Provide the decision rule for making this decision. Use an alpha level of 5%. c. Show all of the work necessary to calculate the appropriate statistic.

Jun 03, 2022
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