Back to Understand statistics as a process for inference — Problem 1 · Task Set 12

Exercises: Understand Statistics as a Process for Making Inferences

Work through each section in order. For each scenario, read carefully and use the correct vocabulary (population, parameter, sample, statistic) and notation. Explain your reasoning where a written response is asked for.

Grade 10·21 problems·~40 min·Common Core Math - HS Statistics and Probability·group·hss-ic-a-1
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Fluency Practice

1.

A nutritionist wants to know the true mean daily sugar intake of all 2,000 students at a high school. She randomly selects 50 students and finds their mean intake is 68 grams.

Identify each of the following and give the correct symbol where one applies (μ\mu, xˉ\bar{x}, pp, or p^\hat{p}):
(a) the population
(b) the parameter
(c) the sample
(d) the statistic