Suppose that a random sample of 150 observations was drawn from a population.After calculating the mean and standard deviation, each observation was standardized and the number of observations in each of the intervals below was counted.Can we infer at the 5% significance level that the data were drawn from a normal population?
Definitions:
Florence Nightingale
Known as the founder of modern nursing, she was a British nurse, social reformer, and statistician famous for her roles in improving sanitary conditions for patients.
Scientific Data
Scientific Data consists of factual information and measurements obtained through research or observation, used to advance knowledge or validate theories.
Experimental
Pertaining to a trial or test procedure used to discover, demonstrate, or test a hypothesis.
Quasi-Experimental
A type of research design that approximates the experimental method but does not include random assignment to treatment or control groups.
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