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Lesson 1

1. Lesson 1

1.2. Are You Ready?

Mathematics 30-3 Module 4

Module 4: Statistics

 

Are You Ready?

 

Complete these questions. If you experience difficulty and need help, visit Refresher or contact your teacher.

  1. The graph shows the number of pets in a group of households. Look at the graph and answer the questions.

    This is a histogram showing the number of pets for a group of 14 households. Four households have 0 pets, two have 1 pet, three have 2 pets, four have 3 pets, and one household has 4 pets.
    1. How many households are there all together? Answer
    2. How many households have three pets? Answer

    The table represents the information from the graph.

    Number of Pets Number of Households
    0 4
    1 2
    2  
    3  
    4  
    1. Reproduce the table in your notebook and fill in the missing data. Answer
    2. Now complete an ordered list of numbers from the graph and table that represents the number of pets in each household. The start to the ordered list is provided.

      {0, 0, 0, 0, 1, 1, __, __, __, __, __, __, __, __ } Answer

Did you realize that there are two common ways of ordering data—ascending and descending? Review the definitions for Ascending and Descending.

This is a play button that opens the definition of Ascending Order. This is a play button that opens the definition of Descending Order.

  1. From the information in question 1, answer these questions.
    1. How many households have four pets? Answer
    2. What is the difference between the number of households with 3 pets and the number of households with 4 pets? Answer
    3. When shopping for pet gifts, the households with 4 pets must buy how many times greater the number of gifts than the households with only 1 pet? Answer

If you answered the Are You Ready? questions without difficulty, move to Discover. If you found the Are You Ready? questions difficult, complete Refresher.