Unit 4 Review

# Unit 4 Review - MDM 4UI Unit 4 Review Assignment Analyzing...

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MDM 4UI Unit 4 Review Assignment Analyzing One-Variable Data NOTE: Unless otherwise specified, you may use ANY acceptable method to calculate your statistics. 1. For the following set of data, find each of the listed statistics by hand : 245, 143, 34, 42, 123, 64, 256, 246, 98 a) Mean b) Median c) Mode d) Range e) Interquartile range f) Standard deviation Draw a box plot of the above data. 2. The number of repairs performed on each car owned by ABC rental cars is listed in the table below. Number of Repairs 0-4 5-9 10-14 15-19 20-24 25-29 Frequency 25 15 6 3 2 4 Estimate the mean and median, and state the modal interval for number of repairs. 3. In a Grade 12 course, term work counts for 65% of the final mark and the exam counts for 35%. a) A student gets 91% during the term and 50% on the final exam. What is the student’s final mark? b) Jordan’s term mark is 86. What mark must Jordan achieve on the final exam to earn a final mark of at least 80? 4. The frequency table of the monthly salaries of 20 people is given below.

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