The coefficient of variation of the height of 20 people selected at random from a given city is found to be 15%. The weight of this group of people has a mean value 72 kg and a standard deviation 8 kg. The coefficient of variation for the weight of the selected group isSelect one:a.20b.8.33%c.11.11%d.8.33

A population of adult free-range turkeys has a mean weight of 8.5 kg and a standard deviation of 1.2 kg. A random sample of size 10 is taken from this population. Find the mean and the standard deviation for the total weight of this sample of size 10.

A study was commissioned to find the mean weight of the residents in certain town. The study examined a random sample of 127 residents and found the mean weight to be 151 pounds with a standard deviation of 21 pounds. At the 95% confidence level, use the normal distribution/empirical rule to estimate the margin of error for the mean, rounding to the nearest tenth.

A researcher wants to determine the average height of all adults in a country. They randomly selected 500 adults from different regions and measured their heights.Which of the following is the population?Group of answer choicesThe 500 adults who were selected and measured for their heights.All adults in the country.A researcher wants to determine the average heightThey randomly selected 500 adults

Weight of a body varies according to the variation inthe ___________

A researcher wants to estimate the average height of women aged 20 years and above. From a simple random sample of 45 women, the researcher obtained a sample mean height of 63.9 inches.Identify the parameter and the statistic.*2 pointsThe parameter is the average height of the 45 women in the sample.The parameter is the average height of all women aged 20 years and above.Both of the average heights are parametersNo parameters are given.