Which statement correctly finds the interquartile range for the set of data represented by the box plot? A. 14 – 1 = 13 B. 11 –
6 = 5 C. 11 – 1 = 10 D. 6 – 1 = 5
2 answers:
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Answer:
B. 11 – 6 = 5
Step-by-step explanation:
The interquartile range is calculated by identifying the upper quartile(Q3) and the lower quartile(Q1) then calculating the difference between both figures
Interquartile range = Q3 - Q1
Q3 = 11
Q1 = 6
Q3 - Q1 (11 - 6) = 5
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Answer:
The probability of having 121 cases or less is:
This suggests that the study does not show any significantly effect of the use of cell phone in the probability of having brain or nervous system cancer. The use of cell phone does not appear to be a significant factor in the risk of having this type of cancer.
Step-by-step explanation:
We start by calculating the expected standard deviation of the population cases:
Then, to calculate the probability, we first calculate the z-score for 121 cases.
The probability of having 121 cases or less is:
This suggests that the study does not show any significantly effect of the use of cell phone in the probability of having brain or nervous system cancer. The use of cell phone does not appear to be a significant factor in the risk of having this type of cancer.