What does point B represent on the graph?
John’s Earnings
Hours Worked
Money
1
$7.00
2
$14.00
3
$21.00
On a coordinate plane, a graph titled John's Earnings has hours worked on the x-axis and money on the y-axis. Point A is (1, 7), point B is (2, 14), point C is (3, 21).
John earns $14.00 each hour.
John earns $14.00 for two hours of work.
John earns $7.00 for two hours of work.
John earns $7.00 for four hours o
Scores on the cognitive scale of the bayley-scales of infant and toddler development range from 1 to 19, with a standard deviation of 3. calculate the margin of error in estimating the true mean cognitive scale score, with 99% confidence, if there are 12 infants and toddlers in a sample.