Practice Data Organization (5.4) - Statistics

Practise this section

9 questions

Flashcard drill
3 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
Sign up to start the exercise
Quiz
3 questions · about 2 min · pass mark 70%. Hints available.
Sign up to start the quiz

6 sample questions

Question 1.
What is an ungrouped frequency table?
Show hintHide hint
Think about individual data points.
Question 2.
What do you call the number of times a value appears in a data set?
Show hintHide hint
It's related to counting occurrences.
3Question 3.
What does an ungrouped frequency table show?
- Frequencies of grouped data
- Individual data points and their frequencies
- Total data only
Show hintHide hint
Think about how data is presented.
4Question 4.
True or False: A cumulative frequency shows the total of all previous frequencies.
- True
- False
Show hintHide hint
Imagine summing up frequencies progressively.
Question 5.
You have the following data on test scores: 55, 67, 67, 70, 74, 85, 85, 85, 90. Create a grouped frequency table with appropriate intervals and then calculate the cumulative frequency for each interval.
Show hintHide hint
Think about how you might group the scores before counting.
Question 6.
A survey showed the number of pets owned by families: 0, 1, 2, 3, 3, 4, 4, 4, 5, 5, 5. Create both an ungrouped and a grouped frequency table, then describe which one you find easier to analyze.
Show hintHide hint
Consider how you group the data for analysis.

5 more questions in this section. Enroll free to practise them all.