The Following Table Gives the Scores of 30 Students in a Mathematics

question 194

Multiple Choice

The following table gives the scores of 30 students in a mathematics examination. Find the mean and the standard deviation of the distribution of the given data. Hint: Assume that all scores lying within a group interval take the midvalue of that group.

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Definitions:

Cash Outflow

The movement of money out of a business, project, or investment, usually in the form of expenses, purchases, or cash distributions.

Cash Flow Ratio

A metric that assesses the liquidity of a company by comparing its operating cash flow to its current liabilities.

Total Assets

The sum of all resources owned by an entity that are expected to provide future economic benefits.