ACTIVITY 6. The data below shows the frequency distribution of scores obtained by 50 students in an achievement test in Mathematics 10. Complete the table. Score Frequency fX fX f Midpoint 36 - 40 31- 35 26 - 30 13 21- 25 12 16 - 20 11-15 6- 10 1 N= Variance = SD

Please help with D E F Please Help with D E F

Which one?

Find Q1, the median, Q3, and the IQR for the data shown below. (Exclude the median from the lower half and from the upper half of the data.) 14 17 18 23 24 48 55 56 68 76 88 Q1 Median= Q3 = IQR = %3D

The IQR represents the spread of the middle 50% of the data.  Do you think the IQR in this problem is large or small?  Here is the data. 0, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 5, 5, 6, 7, 13, 14 Median is 3. Min # is 0 Max # is 14 Q1 is 2 Q2 is 3 Q3 is 4 IQR=Q3 (4)-Q1(2) IQR=2

The chart below represents the number of inches of snow for a seven-day period. Sunday Monday Tuesday Wednesday Thursday Friday Saturday 2 5 3 10 0 4 2 Find the mean, median, and mode. Which is the best measure of central tendency? Remove Wednesday from the calculations. How does that impact the three measures of central tendency? Describe the effect outliers have on the measures of central tendency.

Describe the data’s distribution. Number of products owned Millions of People 0 27 1 9 2 7 3-4 7 5 5

A scatter diagram can be used to visualize a pattern to the data. O True O False

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grade 12 data management.  question : What is the weighted average score for Larry?