Answer: A. 6.5
Step-by-step explanation:
Here, the given set = { 15, 19 3, 12, 17, 2, 2, 8}
Mean,
Number of elements, n = 8
Thus, the standard deviation,
⇒ Option A is correct.
Answer:
It is B
Step-by-step explanation:
If you multiply 35 with the number on the left of the chart, it gives the exact number, thus it is correct
So 1 quater is 25 cents each. 5 quaters would be 125 cents. We know that 4 quaters equal $1.00 So we now have 1 quater left, you can add 25 cents to one dollar and get $1.25
So we started off with 125 cents so we added in a decimal point and added in a dollar sign. Hope this helps.
Y/(X•grams), find the total cost of the gold, then use y to divide the whole thing.