I looked at another online and it said letter A. (Not 100% sure)
Subtract the mean from the high score and divide by the standard deviation:
510 - 508 = 2
2/8 = 0.25
Using the Z tabe find the z value for 0.25 = 0.5987
Now subtract that value from 1:
1 - 0.5987 = 0.4013
Answer:
77.98
Step-by-step explanation:
Answer:

Step-by-step explanation:
we know that
The equation of a exponential growth function is given by

where
y is the value of the home
x is the number of years
a is the initial value
r is the rate of change
we have

substitute


Answer:
a. is not found to be significant.
Step-by-step explanation:
Regression analysis is a statistical technique which is used for forecasting. It determines the relationship between two variables. It determines the relationship of two or more dependent and independent variables. It is widely used in stats to find trend in the data. It helps to predict the values of dependent and independent variables. In the given question, there are 25 observations and the regression equation is given. X and Y are considered as dependent variables.