Question

1. a statistic is a single number summarizing sample data. a parameter is a single number summarizing population data. the table gives the notations use to represent 6 different statistics and parameters. on the line next to each one, identify what that symbol represents. be specific. you cannot just say mean, you need to say sample mean or population mean.

symbol identify the symbol.
μ
\bar{x}
σ²
s²
p̂
σ

Explanation:

Standard statistical notations distinguish sample (statistics) and population (parameters).

Answer:

μ: population mean
x̄: sample mean
σ²: population variance
s²: sample variance
p̂: sample proportion
σ: population standard deviation