<span>1. </span>When given a raw score, it must be converted
into a z-score (standard score). Raw scores cannot be placed on a normal
distribution curve because they do not have the same means and standard
deviations, but when it is converted into a z-score, the number of standard
deviations above or below the population mean can be measured. The z-scores on
the center are average, the scores on the left are lower than average and the
scores on the right are higher than average.
<span>2. </span>A z-score is a standard score which can be
placed on a normal distribution curve. A z-score indicates the distance of the
standard deviations from the mean (center of the curve).
If <u>1 inch = 30 yards</u>, <u>2 inches is 60 yards</u> and <u>1.5 inches is 45 yards</u>. This means the area of the garden is 60 * 45 or 2700 yards
The answer is D. -1 (1.2 + 6)
Answer:
Andrew takes for a shower = 720 sec
1 min =60sec
720sec=12min
Andrew takes additional min for breakfast =420 sec
420 sec = 7min
time andrew take for both = 12+7
=19 min
Step-by-step explanation:
