Unit 4 Review Line Plots, Stem and Leaf Plots, mean, median, mode, range

Line plots Median: 1.5 (or 1 and 1/12) Mode: 0 Range: 5 Mean (rounded to hundredths): 1.69

Line Plots Median: 2 Mode: 2 Range: 6 Mean (rounded to hundredths): 2.55

Create a Line plot with the given data:

Create a line plot with the given data:

Cassandra’s Candles sold the following number of candles over the last 6 days: 25, 48, 25, 33, 57, 50. What was the average number of candles sold each day? – candles Brian was comparison shopping for DVD players. He decided he wanted to purchase a DVD player that was in the middle of the price ranges. The prices he was quoted include the following: $59.99, $219.99, $79.99, $84.99, $159.99, $109.99, $ Which DVD player did Brian select? – $84.99

James ran a lemonade stand for the month of July. Each week, he wrote down the amount of money he made. During the first week, he made twenty dollars, forty-two dollars the second week, twelve the third week and forty-nine the fourth week. How much would he have to make to earn an average of $33? – $42 In August, James had the same numbers for sales except for the third week. Instead of $12, he made $27. How does this change his mean, median, mode, and range? – Mean increases, median increases, mode stays the same, range decreases.

Stem and Leaf Plots Median: 115 Mode: 104; 115 Range: 38 Mean (rounded to ones): 117

Stem and Leaf plot Make a Stem and Leaf plot of: , , 4, 5, 5

Stem and Leaf Plots Median: 36.5 Mode: 19; 31; 39 Range: 43 Mean (rounded to ones): 37.5

Types of Graphs If I wanted to show how much your height (in inches) has changed over the school year, what type of graph would I use? – Line Graph If I wanted to show the total number of books read in kindergarten through 5 th grade at our school, what type of graph would we use? (There are 2 answers for this one.) – Bar graph or pictograph

Types of graphs Here is a list of scores on a calculus test: Create a histogram for the data If we were to make a pie chart for each letter grade, what would the percentages be for each one? – = A – = B – = C – = D – 69 and below = F