Answer:
it is b I just did it
Step-by-step explanation:
Answer:
2.1/√55
Step-by-step explanation:
simga divided by sample size
Answer:
Choose the best estimate for the capacity of a bath tub
A. 5 ml
B. 500 ml
C. 50 cl
<u>D. 500 L</u>
Step-by-step explanation:
Answer:
500
Step-by-step explanation:
510=x+.21x-.19x
510=(1+.21-.19)X
510=1.02X
X=510/1.02
X=500
Answer:
independent quantitative.
Step-by-step explanation:
An indepentent variable in an investigation, is the variable that will be changed in order to know how its variation affects the dependent variable.
In this case, the dependent variable is the test scores since Dr Washington will study there is the numeber of hours of study affects the grade the students obtain.
Therefore, the hours of study are the independent variable.
It is also a quantitative variable since it can be counted.
