Data on the Average Monthly Spend of 180 Mobile Phone

question 9

Multiple Choice

Data on the average monthly spend of 180 mobile phone customers shows that the modal class is '$40 to $50' (f=53) ; the previous and following classes had frequencies of 24 and 46 respectively. Estimate the mode for this data (2 decimal places) .

• A) 45.00
• B) 48.36
• C) 47.96
• D) 46.34

---

Definitions:

Specific Gravity

A measurement of the density of a substance compared to water. Specific gravity tests are performed on battery acid and coolant.

Model Year

The year assigned to a vehicle by its manufacturer indicating the marketing period it was made for, which may not necessarily coincide with the year it was manufactured.

Vehicle Identification Number

A unique code, including a serial number, used by the automotive industry to identify individual motor vehicles.

Tenth Digit

In the context of vehicle identification numbers (VIN), the tenth digit represents the model year of the vehicle.