Alg W2 U1L1&2

Which interval has 400 employees?

• 33-43

• 0-10

• 77-87

• 66-76

The dot plot displays the number of bushes in the yards for houses in a neighborhood.

What is the median?

Each set of data was collected from surveys to answer statistical questions.

Select all of the data sets that represent numerical data.

• {1, 1.2, 1.4, 1.4, 1.5, 2, 2 ,2.1}

• {red, red, yellow, blue, pink, black}

• {40, 50, 60, 70, 80, 90}

• {left, right, left, right, left, left}

• {Cheerios, Frosted Flakes, Rice Krispies}

Which car club has the higher median?

• Cruisers

• Car Hops

• Neither. Can't determine median from the graph.

What is the median of this data?

• 40

• 90

• 100

• 140

• 150

Which one of the following survey questions would generate numerical data?

• What is your favourite colour?
• What type of car does your family own?
• How long does it take for you to travel to school?
• What type of dog do you own?

Which one of the following survey questions would generate categorical data?

• How many times do you eat at your favourite fast-food place in a typical week?
• How much do you usually spend buying your favourite fast food?
• How many items did you buy last time you went to your favourite fast food place? 
• Which is your favourite fast food?

Find the median from the list of numbers:

60, 58, 52, 48, 60, 67

**Hint: place the numbers from least to greatest**

Elliot says almost everyone arrived at the party after 10:00 P.M., but Nancy thinks most people came earlier. When did a majority of the people arrive? 

• 7:00-7:59 P.M.
• 8:00–8:59 P.M.
• 9:00–9:59 P.M.
• 10:00–10:59 P.M. 

What is the median of the dot plot?

• 3

• 3.5

• 4

• 4.5