A scientist is studying four samples of snakes. She measures the mass of 10 snakes in each sample. A summary of her data is shown below. Mass is shown in grams.
Sample
Least
Lower
Median Upper Greatest
Mass
Quartile
Mass Quartile Mass
A
13
16
19
24
25
B
11
12
15
22
26
C
6
10
16
21
24
D
8
11
14
18
20
8.
Which sample of snakes shows the greatest spread in the upper 25% of their mass?
9.
Which sample of snakes shows the least spread in the lower 50% of their mass?
10.
What is the difference between the middle 50% of Sample D and the middle 50% of Sample A?

Bonnie and bobby are saving money for a vacation. each friend starts with an amount and also saves a specific amount each week. bonnie created a table to show the total she has saved at the end of each week.. weeks 0 1 2 3 4 5 6 7 8 amount saved 12 16 20 24 28 32 36 40 44 bobby came up with the following equation to show the total, y, he has saved at the end of each week, x. y = 12x + 4 compare the rate at which each friend saves money. select the correct answer from the drop-down menu to complete the statement. the rate at which bobby is adding to his savings each week is $ more than the rate at which bonnie is adding to her savings each week.