Answer:
Option B) 9.1
Step-by-step explanation:
We are given the following in the question:
Average score = 490.4
Standard deviation = 63.7
Sample size, n = 49
Formula:
Putting values, we get,
Standard error =
Thus, the correct answer is
Option B) 9.1
5071 can be represents by 5000 and 62 by 60
estimate is 5000 / 60 = 500/6 = about 83
Answer:
its 124
Step-by-step explanation:
i had a test with the same question, i promise its right :)
X=1 because -7 times 1 = -7
Answer:
y = 5x + 4
Step-by-step explanation:
The equation of a line in slope- intercept form is
y = mx + c ( m is the slope and c the y- intercept )
Here m = 5 and c = 4, thus
y = 5x + 4 ← equation of line
