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Elis [28]
2 years ago
8

The table below shows the observed counts in black (first number), expected counts in green (second number), and contribution to

the chi-square statistic in blue (third number). Heart disease No Heart disease Total Anger score Low Anger 53 69.7 4.014 3057 3040.3 0.092 3110 Moderate High Anger Anger 110 106.1 0.145 4621 4624.9 27 4731 14.2 11.557 606 0.0033 0.265 618.8 8284 633 Total 190 O Yes, because the sample size is greater than 30. 8474 Are the conditions met to conduct a chi-square test of association? Yes, because the expected cell counts are greater than 5. O Yes, because there are no extreme outliers in the data. O Yes, because the observed cell counts are greater than 5.​

Mathematics
1 answer:
asambeis [7]2 years ago
7 0

Answer:

Step-by-step explanation:

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Ishaan to have a score of 97 on the next exam have an overall average of 85

What is the mean of exam scores?

The mean of exam scores is the sum of the scores divided by the number of exams taken, more like an average of all scores

Initially, average score on 4 exams is 82

average=total score/number of exams

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In order to have an overall average score of 85, we would sum the total score of 4 exams and the fifth exam and divide by 5 exams

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Answer:

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blue : red

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