Ohio Algebra I statistics and probability quiz quiz
12questions. Pick an answer and you'll see why right away.
What is the median of ?
What is the mean of ?
A histogram has a long tail stretching to the right. Its shape is:
A data set has one very large outlier. Which best represents a typical value?
What is the interquartile range (IQR) if and ?
In a two-way table, an inner cell divided by the grand total gives which relative frequency?
Of 50 students surveyed, 30 walk to school and 12 of those walkers are in grade 9. What fraction of walkers are in grade 9?
A scatter plot shows points trending downward from upper left to lower right. The association is:
A line of best fit is . What does the slope mean?
For , predict when .
A correlation coefficient is . This indicates:
Ice-cream sales and drowning deaths are strongly correlated. The best conclusion is: