RANGE, MEAN, MEDIAN, AND MODE
DEFINE RANGE. WHAT IS THE RANGE OF THIS DATA SET?
3, 5, 6, 9, 5
RANGE IS THE DIFFERENCE BETWEEN LARGEST AND THE SMALLEST VALUE
6
62÷ (32-29)2
4
6 × 0.7
4.2
Ashley is making cookies for her office’s Christmas party. Each batch of cookie mix need 0.4 cups of sugar, and each batch can make 16 cookies. If Ashley is making 4 batches of cookies, how much sugar does she need?
1.6 cups of sugar
0.4 x 4=1.6
43 ft is how many yards?
14 yd 1 ft
DEFINE MEAN. WHAT IS THE MEAN OF THIS DATA SET?
7, 4, 6, 8, 5, 6
MEAN IS THE AVERAGE OF ALL NUMBERS
6
[(21 − 17) × (14 − 9)]2
400
5 × 0.9
4.5
Each batch of cookie mix need 0.4 cups of sugar, and each batch can make 16 cookies. If Ashley is making 4 batches of cookies, how much sugar does she need?
1.26 > 1.026 The green box contains more sugar.
70 in is how many ft?
5 ft 10 in
DEFINE MEDIAN. WHAT IS THE MEDIAN OF THIS DATA SET?
8, 12, 7, 10, 8, 9, 11
MEDIAN IS THE MIDDLE VALUE WHERE THERE IS AN EQUAL NUMBER OF DATA POINTS ABOVE AND BELOW IT.
11
112− 3 × 8 − 52 − 19
53
4.6 ÷ 2
2.3
Each batch of cookies is 8.9 oz. What is the weight of 2.5 batches of cookies?
8.9 x 2.5 = 22.25 The weight of 2.5 batches of cookies is 22.25 oz
33 in is how many ft?
2 ft 9 in
DEFINE MODE. WHAT IS THE MODE OF THIS DATA SET?
11, 8, 8, 7, 11, 8, 9
MODE IS THE VALUE THAT OCCURS MOST FREQUENTLY
8
12 × (3 + 11 + 6) ÷ 23
30
3 × 0.008
0.024
Ellen planned to interview some applicants for a position in her office. If she scheduled 1 4 of an hour to meet each of them, how much time did she schedule for all 6 applicants?
1/4 × 6 = 3/2 = 1 1/2 She scheduled 1 1/2 hours to meet 6 applicants.
55 yd is how many inches?
1,980 in
WHAT IS THE RANGE, MEDIAN, MEAN, AND MODE OF THI DATA SET?
5, 12, 13, 16, 12, 14, 12, 5, 10
RANGE: 11
MEAN: 11
MEDIAN: 12
MODE: 12
112 − [3 × (8 − 5)2 ] − 19
75
5.2 ÷ 4
1.3
Instead of 1 4 of an hour, Ellen spent 1 3 of an hour to meet each applicant. How much more time did she spend meeting all the applicants?
( 1/3 − 1/4 ) × 6 = 1/2 She spent a 1/2 hour more than the scheduled time.
37 ft is how many yards?
12 yd 1ft