Statistics Basic

What is the mean of the following set of numbers: 5, 7, 9, 11, 13?

• 15

• 9

• 10

• 6

Jack Sparrow found 7 treasure chests. The number of gold coins in each chest are 3, 5, 7, 9, 11, 13, 15 respectively. Can you help him find the median number of gold coins in the chests?

• 13

• 5

• 9

• 7

Find the mode of the following set of numbers: 2, 4, 6, 4, 8, 10, 4, 12?

• 8

• 2

• 6

• 4

What is the range of the following set of treasure chests found by Jack Sparrow: 10, 15, 20, 25, 30?

• 15

• 25

• 20

• 5

What is the symbol used to represent the population mean in statistical notation?

• μ

• π

• λ

• σ

Jack Sparrow found 5 treasure chests. The chests contained 4, 8, 12, 16, and 20 gold coins respectively. What is the median number of gold coins found in the chests?

• 12

• 16

• 8

• 20

What does the symbol 'σ' represent in statistical notation?

• Median

• Mode

• Mean

• Standard deviation

What is the symbol used to represent the sample mean in statistical notation?

• π

• M

• ∑

• x̄

Which type of chart is used to compare different categories based on their frequency?

• Scatter plot

• Bar chart

• Line chart

• Pie chart

What type of chart is used to show the proportion of different categories?

• Pie chart

• Bar chart

• Line chart

• Histogram