Examlex
A statistics professor has 115 students in a statistics class and would like to estimate the number of hours each student studied for the last exam. A random sample of 24 students was found to study an average of 6.8 hours with a standard deviation of 2.2 hours. The 90% confidence interval to estimate the average number of hours studying for the exam is ________.
Heredity
The passing of traits from parents to offspring through genes.
Nutrition
The process of providing or obtaining the food necessary for health and growth.
Chronosystem
The environmental changes that occur over time and have an effect on the child.
Environmental Changes
Variations or alterations in the environment that can occur naturally or through human activities, affecting ecosystems, climate, and living conditions.
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