If a sample is drawn in such a way that each time is selected, each item in the population has an equal chance of being drawn, the sample is called ansample.

The ratios 3: 9, 4: 12, 5: 15, and 6: 18 are a pattern of equivalent ratios in the ratio table. which is another ratio in this pattern?

The birth weights of newborn babies in the unites states follow in a normal distrubution with a mean of 3.4 kg and standard deviation of 0.6 kg. reaserches interested in studying how. children gain weights decide to take random samples of 100 newborn babies and calculate the sample mean birth weights for each sample

The dash figure is a dilation if the original figure. find the scale factor. classify the dilation as an enlargement or a reduction