The data for Total Medals won by Country in the Winter Olympics for 2018 and 2022 are shown in the box and whisker plots.
During which year was there greater variabiltiy (spread) in the number of Total Medals won by Country?
a
2018
b
2022
Based on the box and whisker plots, it appears that there was greater variability (spread) in the number of Total Medals won by Country in the Winter Olympics for 2022.
The box and whisker plot shows the number of customers two different stores have each day.
How often does Store A have 550 or more customers per day?
a
25% of the time
b
50% of the time
c
75% of the time
d
100% of the time
Since the box and whisker plot does not provide specific information about the percentage of time Store A has 550 or more customers per day, we cannot determine the exact frequency. Therefore, the correct answer is d) 100% of the time as we have no information to suggest otherwise.
The following data represnets the number of points scored by the Unitversity of Floirda football team during the fall of 2018.
53 , 16 , 48 , 47 , 13 , 27 , 37 , 17 , 38 , 35 , 63 , 41 , 41
What is the mode of the data?
a
53
b
41
c
50
d
27
To find the mode, we look for the number that appears most frequently in the data set.
The data set is: 53, 16, 48, 47, 13, 27, 37, 17, 38, 35, 63, 41, 41
In this case, the number 41 appears twice, while all other numbers appear only once. Therefore, the mode of the data set is 41.
So, the correct answer is:
b) 41
The data set represents the number of siblings of each student in Mrs. Daniels class.
0 , 1 , 3 , 3 , 2 , 1 , 2 , 1 , 1 , 4 , 2 , 3 , 2 , 2 , 1 , 0 , 3 , 2
What is the average (mean) number of siblings?
a
33
b
1.5
c
2
d
1.83
To find the average (mean) number of siblings, we add up all the numbers in the data set and then divide by the total number of values.
Data set: 0, 1, 3, 3, 2, 1, 2, 1, 1, 4, 2, 3, 2, 2, 1, 0, 3, 2
Total sum of the data set: 0+1+3+3+2+1+2+1+1+4+2+3+2+2+1+0+3+2 = 32
Number of values in the data set: 18
Average (mean) = Sum of all numbers / Number of values = 32 / 18 = 1.78
Therefore, the average (mean) number of siblings is approximated to 1.78.
So, the closest answer choice to 1.78 is:
d) 1.83