Stage 2 : Final Round NATIONAL STATISTICS MONTH QUIZ BEE
Which of the following graphs shows data as parts of a whole? a. Line graph b. Bar graph c. Pie chart d. Scatter plot
Answer: C
2. If a bar graph shows the number of apples sold each day, what does the height of each bar represent? a. The total number of apples in the store b. The price of each apple c. The number of days in a week d. The number of apples sold on that day
Answer: D
3. What is the median of the data set: 3, 7, 4, 6, 9? a. 4 b. 6 c. 5 d. 7
Answer: B
4. In a line graph, what does the line connecting the points represent? a. The difference between datasets b. The total amount of data c. The trend of the data over time d. The most common data point
Answer: C
a. Bar chart b. Pie chart c. Histogram d. Line graph 5. Which type of chart is best for showing changes over time?
Answer: D
a. 10 b. 15 c. 11 d. 12.5 6. If the mean of the data set 5, 10, 15, 20 is calculated, what is the result?
Answer: D
7. What does the x-axis typically represent in a bar graph? a. The values of the data b. The total of all data c. The average of the data d. The categories of the data
Answer: D
8. In a pie chart, if one section is labeled as 25%, what does that mean? a. 25% of the chart is missing b. 25% of the total data is represented by that section c. The section is 25% larger than the others d. The chart has 25 sections
Answer: B
9. If a data set has an outlier, which measure of central tendency is most affected? a. Median b. Mode c. Mean d. Range
Answer: C
10. What type of data is best represented by a scatter plot? a. Data showing correlation between variables b. Categorical data c. Data with no relationship d. Data with only one variable
Answer: A
11. What is the mode of the data set: 8, 3, 9, 3, 4? a. 8 b. 3 c. 4 d. 9
Answer: B
12. In a histogram, what does each bar represent? a. A single data point b. A range of values c. A specific day d. A trend over time
Answer: B
13. When reading a line graph, what do the points on the line indicate? a. The categories of data b. The values at specific times c. The total data collected d. The average of the data
Answer: B
14. How is a bar graph different from a histogram? a. A bar graph shows trends over time; a histogram shows parts of a whole b. A bar graph is circular; a histogram is linear c. A bar graph is used for percentages; a histogram is used for averages d. A bar graph displays data in categories; a histogram displays data in ranges
Answer: D
15. If a survey shows that 40% of students like chocolate, what does this mean in a pie chart? a. The entire pie chart represents chocolate b. 40% of the pie chart will be one color representing chocolate c. The pie chart will have 40 sections d. Chocolate will be the smallest section