4.1-4.3 Variation series, frequency

Is this a variation series: 12, 13, 15, 21, 23, 23, 26, 27, 45, 49?

• yes

• no

Each member of a variation series is called a ............ ?

• variant

• species
• category
• type

Group of subjects selected from a population?

• single

• size

• sample

• display

is this a variation series: -15, -2, -10, -11, -1, 1, 2, 10

• yes

• no

which is in ascending order?

• 2, 1, 30, 40, 50

• 1, 2, 3, 8, 34, 50

• 31, 23, 14, 12, 1

• 10, 34, 22, 78, 4

how many roses (5%) are there?

• 60

• 100

• 500
• 120

how many tulips are there?

• 300
• 240

• 480

• 100

Find the total number of silver medals?

• 14

• 24

• 26

• 36

which year has the most number of medals?

• 2017

• 2018

• 2019

this is a .....?

• bar graph

• line graph

• pie chart