Kristen recorded the amount of liquid (in ml) of eight containers. She created a box plot of her data. What is the interquartile
range
of Kristen's data?
A: 7
B: 13
C:31
D:50
of Kristen's data?
A: 7
B: 13
C:31
D:50
1 answer:
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Answer:
20/9
Step-by-step explanation:
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Answer:
Option D) $275
Step-by-step explanation:
We are given the following information in the question:
Mean, μ = $235
Standard Deviation, σ = $20
We are given that the distribution of amount of money spent by students is a bell shaped distribution that is a normal distribution.
Formula:
We have to find the value of x such that the probability is 0.975
Calculation the value from standard normal z table, we have,
Approximately 97.5% of the students spent below $275 on textbook.