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## Statistics and Probability

### Basic Statistics - Histograms and Box Plots

#### Q.02

'Since the size of the data is 30, Q1 is the 8th value from the smallest, Q2 is the average of the 15th and 16th values from the smallest, Q3 is the 8th value from the largest. From the histogram, Q1 is in the class of 40 or more but less than 50, Q2 is in the class of 60 or more but less than 70, and Q3 is in the class of 80 or more but less than 90. The box plot that satisfies these conditions is'

#### A. ...

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Join our Discord#### Q.03

"Let's reflect on the vertical box plot. As the lower quartile for Test A is 30, calculate the minimum value for Test A."

#### A. ...

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Join our Discord#### Q.05

'The figure on the right is a box plot of the test scores of 160 students who took the mathematics I and mathematics A exams. From this box plot, which of the following statements are correct? Please select all that apply.'

#### A. ...

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Join our Discord#### Q.06

'Select all the box plots that contradict the histogram on the right. Choose from (1) (3). Each class is divided such that it includes temperatures from 8°C and is less than 10°C. The data size is 30.'

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'Data on the throwing distances of a class of 40 third-year high school students in a handball match has been collected. Figure 1 shows the histogram of the initial data.'

#### A. ...

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'Which graph is most suitable to examine the spread of scores in 3 subjects for a class?'

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Join our Discord#### Q.11

'The box plot on the right shows the scores of 30 students in a science test. When a histogram is made based on these scores, which option corresponds to it?'