Number of Customers Across Restaurants
Number of Customers Across Restaurants
Secondary 2
The following data shows the number of customers across \(12\) restaurants at a given moment.
\(15\) | \(15\) | \(18\) | \(16\) |
|---|---|---|---|
\(12\) | \(16\) | \(16\) | \(15\) |
\(13\) | \(14\) | \(16\) | \(12\) |
- Using the grid below, draw a dot diagram to represent the above data.
- Calculate the mean number of customers across the restaurants.
- If the above data was presented on a pie chart, what is the size of the angle that represents the number of restaurants that have at most \(14\) customers?
- What is the probability of a restaurant having \(15\) customers at a given moment?
Video Solution:
Video solution locked
A free account saves your progress; this video needs tuition enrolment.
Solution:
Solution locked
680+ questions here come with free worked solutions. A free account saves your questions and progress; this one needs tuition enrolment.
Create a free account to practise similar questions.
Answer:(a) Dot frequencies \(12:2,\ 13:1,\ 14:1,\ 15:3,\ 16:4,\ 17:0,\ 18:1\). (b) \(14\dfrac{5}{6}\) customers. (c) \(120^\circ\). (d) \(\dfrac{1}{4}\).
Need help? Join our IP Math tuition programme.
Learn more