NJSLA Algebra I Interpreting Categorical and Quantitative Data. Practice it free.

Four data sets list quiz scores out of $120$. Which set has the greatest standard deviation?

Set A: $100, 102, 104, 106$
Set B: $80, 90, 100, 110, 120$
Set C: $98, 99, 100, 101, 102$
Set D: $90, 95, 100, 105, 110$

Seven test scores are $70\textsf{,}$ $75\textsf{,}$ $88\textsf{,}$ $85\textsf{,}$ $90\textsf{,}$ $65\textsf{,}$ and $87\textsf{.}$ Which data set has the same mean?

Seven morning temperatures, in degrees Fahrenheit, are $58\textsf{,}$ $80\textsf{,}$ $70\textsf{,}$ $62\textsf{,}$ $72\textsf{,}$ $64\textsf{,}$ and $56\textsf{.}$ Which data set has the same median?

Maria earned history quiz scores of $70$, $82$, $74$, and $90$ on four quizzes. On a fifth quiz, her score was $x$. The mean score on all five quizzes is $81$. What is the value of $x$?

A dot plot shows the goals a team scored in its 8 games: 0 goals in 2 games, 1 goal in 3 games, and 2 goals in 3 games. What fraction of the games did the team score exactly 1 goal?

Find the median of $12, 5, 8$.

Four data sets show daily high temperatures (in °F). Which set has the greatest standard deviation?

Set A: $20, 22, 24, 26$
Set B: $21, 23, 25, 27, 29$
Set C: $10, 22, 24, 26, 28$
Set D: $22, 23, 24, 25, 26$

Seven morning temperatures, in degrees Fahrenheit, are $62\textsf{,}$ $64\textsf{,}$ $66\textsf{,}$ $75\textsf{,}$ $70\textsf{,}$ $72\textsf{,}$ and $67\textsf{.}$ Which data set has the same mean?