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Unit 5 Mastery Quiz 1

Quiz by Latoya Radway

Grade 7
Mathematics
Common Core

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10 questions
Show answers
  • Q1
    A restaurant owner wants to know how often the customers in her restaurant eat out. Which sample will likely give the most reliable results?
    50 male customers arriving at different times two days in a row
    100 customers selected at random, arriving at different times each day for the duration of 1 week
    The first 50 customers who come into the restaurant on Monday
    Every 10th customer to come into the restaurant on a randomly selected Saturday
    120s
  • Q2
    A restaurant owner wants to know how often the customers in her restaurant eat out. Which sample will likely give the most reliable results?
    Every 10th customer to come into the restaurant on a randomly selected Saturday
    50 male customers arriving at different times two days in a row
    The first 50 customers who come into the restaurant on Monday
    100 customers selected at random, arriving at different times each day for the duration of 1 week
    30s
  • Q3
    Mr. Wynn gave the same test to his morning class and his afternoon class. Their scores are listed below: Morning class: 96, 76, 90, 88, 90, 93, 79, 80, 82, 86 Afternoon class: 70, 78, 80, 78, 86, 90, 76, 72, 70, 79 What is the mean of the morning class’ scores?
    779 Points
    77.9 Points
    860 Points
    86 Points
    120s
  • Q4
    The test scores of the students in Mr. Duffy’s class are shown on the line plot below. The range in Ms. Guzman’s class was larger than Mr. Duffy’s class. Which line plot could represent the scores in Ms. Guzman’s class?
    Question Image
    C
    A
    D
    B
    120s
  • Q5
    The frequency chart shows the distribution of defects for the machines used to produce chocolates. Which dot plot represents the frequency table?
    Question Image
    D
    C
    A
    B
    120s
  • Q6
    The students in Mr. Warnock’s class collected cans for recycling one week. Below is the data for each group. Group A:11, 9, 12, 14, 8, 7, 13, 15, 12, 9 Mean = 11 Group B: 18, 12, 26, 14, 9, 19, 21, 24, 15, 12 Mean = 17 What is the difference in the MAD between Group A and Group B?
    4.6
    2.4
    6
    2.2
    120s
  • Q7
    There is a 20% chance that customers at a café will order pie. If the café has 420 customers this week, how many can be expected to not order pie?
    84 People
    336 People
    33.6 People
    8.4 People
    120s
  • Q8
    What is the difference between the median for each data set shown in the box plot below?
    Question Image
    2
    4
    6
    3
    120s
  • Q9
    Which survey would result in a biased sample?
    Every 4th person at a football game is asked to name their favorite sport.
    Every 5th person in a library is asked whether they prefer red or green apples
    Every 10th person at a train station is asked to name their favorite action movie.
    Every 8th person on the street is asked whether they have a pet.
    120s
  • Q10
    Jayshawn surveyed the students in his class to determine how they scored in a game. He displayed his results in the table shown below. Which histogram represents the data in the table?
    Question Image
    D
    A
    C
    B
    120s

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