Heights of People (m)The number of standard deviations from the mean is also called the "Standard Score","sigma" or "z-score"how many standard deviations 1.85 is from the mean ????????How far is 1.85 from the mean?It is 1.85 - 1.4 = 0.45m from the meanHow many standard deviations is that? The standard deviation is 0.15m, so:0.45m / 0.15m = 3 standard deviations−= XZ

You know that the heights of four people are: 156 cm, 184 cm, 172 cm and 165 cm. What is the standard deviation?1 point2810.23139.5811.81

Adult men have an average height of 69.0 inches with a standard deviation of 2.8 inches. Find the height of a man with a z-score of 1.46. Round your answer to one decimal place.

People's heights are normally distributed, with a mean of 170cm and standard deviation of 10cm. What is the 10th percentile of people's heights (in cm).Please round your result to one decimal place.Note that from the z-distribution table, we know:P(Z<= -1.645) = 5%P(Z<= -1.96) = 2.5%P(Z<= -1.28) = 10%

The height of player on a football team had a mean of 70 inches with a standard deviation of 4 inches. Rohan’s height is 63 inches. What is the Z-score for Jesse’s height? 1.88 -1.75 -1.85 0

For an upcoming government project, you are required to find the average height of the students in Class VIII of a given school. Instead of asking every student, you took a few students as your sample and noted their heights in the table given below. Roll Number Height8012 121.92 cm8045 133.21 cm8053 141.34 cm8099 126.23 cm8125 175.74 cmQuestion 3/3MandatorySamplingWhat is the standard deviation of the sample?22.8423.6719.1921.45