Measures of Variation Review WS #2

What is the symbol for population size?

• $N$

• $n$

• $\overline{x}$

• $\mu$

Tags

CCSS.6.SP.B.5B

What is the symbol for sample size?

• $N$

• $n$

• $\overline{x}$

• $\mu$

Tags

CCSS.6.SP.B.5A

What is the symbol for population mean?

• $N$

• $n$

• $\overline{x}$

• $\mu$

What is the symbol for sample mean?

• $N$

• $n$

• $\overline{x}$

• $\mu$

What is the symbol for population variance?

• $\sigma^2$

• $\sigma$

• $s^2$

• $s$

What is the symbol for population standard deviation?

• $\sigma^2$

• $\sigma$

• $s^2$

• $s$

What is the symbol for sample variance?

• $\sigma^2$

• $\sigma$

• $s^2$

• $s$

What is the symbol for sample standard deviation?

• $\sigma^2$

• $\sigma$

• $s^2$

• $s$

Which of the following expressions gives the Sum of Squares of a data set?

•  $\frac{\Sigma\left(d^2\cdot f\right)}{N}$  

•  $\frac{\Sigma\left(d^2\cdot f\right)}{\left(n-1\right)}$  

•  $\Sigma\left(d^2\right)$  

•  $\Sigma\left(d^2\cdot f\right)$  

Which of the following expressions gives the estimated Sum of Squares from a frequency table?

•  $\frac{\Sigma\left(d^2\cdot f\right)}{N}$  

•  $\frac{\Sigma\left(d^2\cdot f\right)}{\left(n-1\right)}$  

•  $\Sigma\left(d^2\right)$  

•  $\Sigma\left(d^2\cdot f\right)$