Technological Advances Generally Result in

question 9

Multiple Choice

Technological advances generally result in

• A)decreased incomes.
• B)increased life expectancy.
• C)increased infant mortality rates.
• D)increased average number of hours worked per day.

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Definitions:

Standardized Test Statistic

A calculated value used to determine the relative distance of a data point or sample from the mean of a population, expressed in terms of the standard deviation of the population.

Positive Differences

The result obtained when subtracting a smaller number from a larger number in each pair of a data set.

Negative Differences

Refers to the results obtained when subtracting a number from another number that is smaller, resulting in a negative value.

Significance Level

A threshold within statistical hypothesis testing that measures the probability of rejecting a true null hypothesis, typically denoted by alpha (α).