Given below is a sample of 70 monthly rents for one-bedroom apartments presented as grouped data in the form of a frequency distribution. Compute the sample mean, variance, and standard deviation. 
Definitions:
Procter & Gamble
An American multinational consumer goods corporation specializing in a wide range of personal health/consumer health, and hygiene products.
Old Spice
A brand of male grooming products known for its distinctive fragrance and creative advertising campaigns.
Extraneous Variable
A variable that influences the outcome of an experiment but is not the variable that is actually of interest. It's external and not the focus of the study.
Information Technology
The use of systems (especially computers and telecommunications) for storing, retrieving, and sending information.
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