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Question 7: Write down six numbers that have a median of 8, a mean of 9 and a range of 13. Question 8: Five numbers have a range of 14. Four of the numbers are 20, 22, 31 and 25. Work out the two different possible values for the ifth number.
Mean, Median, and Mode Quick Quiz I. Answer the following questions. a) What is the mean of set A? A = {4, -2, 1/2, 7.5, 0} b) Amy's math grades are in the grid on the light. What is her 'homework' average? What is the mean of her 'quiz' grades? Amy's final grade is determined as follows: 20% homework 50% quizzes 30% final exam
Aug 28, 2019 · averages, average, means, modes, medians, ranges. Practice Questions. Previous: Area of a Triangle Practice Questions
Introduction. Measures of central tendency, or averages, are used in a variety of contexts and form the basis of statistics. Mean (Arithmetic Mean) To calculate the arithmetic mean of a set of data we must first add up (sum) all of the data values. (x) and then divide the result by the number of values (n). Example.
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Terms: central tendency, mode, median, mean, outlier Symbols: Mo, Mdn, M, m, ∑, N Learning Objectives: • Calculate various measures of central tendency—mode, median, and mean • Select the appropriate measure of central tendency for data of a given measurement scale and distribution shape
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Matthew has five cards. Each card has a number on it. (a) Write down the median. James has three cards. Each card has a number on it. The numbers are hidden. The mode of the three numbers is 4 The mean of the three numbers is 5. 7. (b) Work out the three numbers on the cards.
Read each question carefully before you start to answer it. Keep an eye on the time. Try to answer every question. Check your answers if you have time at the end.
