4 Find the median 5 What is the mode 6 Find the first quartile Interpret you

# 4 find the median 5 what is the mode 6 find the first

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4. Find the median. 5. What is the mode? 6. Find the first quartile. Interpret you answer in words. 7. Find the third quartile. Interpret you answer in words. 8. Compute inter quartile range IQR. 9. Find the range. 10. Construct a box plot. Describe the distribution of the data. Ms.Lubna Ineirat 11
Question5: consider the following frequency table that represents marks for students. a. Find the mean ? b. Find the standard deviation? c. What is the approximate number in the second class? d. Estimate the total Marks in the forth class? e. What is the expected Mark for a students in the third class? Ms.Lubna Ineirat 12 Grades Frequency - 9 5 - 15 - 31 20 - 42 15 Total 50
Question 6 : 1. Determine the dependent and independent variables? 2. Determine the correlation coefficient, interpret the answer in words. Ms.Lubna Ineirat 13 Odometer reading price 20 30 10 50 5 70 30 20 90 10 Total
3. Find the coefficient of determination, interpret in words. 4. Is the line fit? Why? Ms.Lubna Ineirat 14
5. Determine the linear regression equation. 6. Predict the price of a car which Odometer reading is 35? Ms.Lubna Ineirat 15
7. Predict(estimate) the price if the odometer reading is 30? 8. Find the error in the above estimation? 9. If the odometer reading increased by 20 what will happen to the weight? 10. Interpret a and b? Ms.Lubna Ineirat 16

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