the histogram shows the results of a survey asking students how many video games they currently own. how…
the histogram shows the results of a survey asking students how many video games they currently own. how many observations were used to create the display? video game ownership number of students 10 8 6 4 2 0 0 - 9 10 - 19 20 - 29 30 - 39 40 - 49 number of video games
Answer
Explanation:
Step1: Identify frequencies per group
For 0 - 9: 4 For 10 - 19: 9 For 20 - 29: 10 For 30 - 39: 3 For 40 - 49: 1
Step2: Sum up frequencies
$4 + 9+10 + 3+1$ $= 27$
Answer:
27