45. A consignment of 180 articles is classified according to the size of the article as under. Find the standard deviation and its coefficient : Measurement No. of articles Measurement No. of articles More than 80 More than 70 More than 60 More than 50 More than 40 More than 30 150 14 More than 20 More than 10 More than 0 More than 90 170 34 176 180 65 110

Q: rom a survey of the length of daffodil stems, a botanist created a histogram showing their size…

A: The given histogram represents the lengths of daffodil stems.

Q: Write a paragraph summarizing the mean, median, and standard deviation that are in the table:…

A: The mean is 310.7333, median is 271, and the standard deviation is 263.85.

Q: The classification of 58 passengers of a bus in their age group is given below. You are required to…

A:

Q: 1. The height of B00 men form a normat distribution with a mean of 165 cm and a standard deviation…

A: Given that 150 men are between 160 and 170.160 and 170 are equidistant from the mean 165.So, there…

Q: 41. In 2011, high school seniors had the following mean and standard deviation on the mathematics…

A: The given values are μ=514 and σ=117.

Q: 12. Below is a data set for number of toys a child owns in a particular neighborhood: ABCDEFG|H…

A: toatal no. of child   N=8total number of toyes  ∑xi   =2+4+4+3+2+3+2+4=24

Q: Calculate the standard deviation for the following sample of 4 observations. Individual Income 1. 62…

A: Below is the answer

Q: 21. Which set of scores below has the smallest standard deviation? а. 11, 17, 31, 53 b. 5, 11, 42,…

A:

Q: 7. The data are daily high temperatures in a town for one week. Find the mean, median, range, sample…

A: 7. Given: Data on daily temperature in a town for one week. Step-by-step procedure to obtain the…

Q: Soxplots. In Exercises 29-32, use the given data to construct a boxplot and identify the 5-питber…

A: As per our guideline we are supposed to answer only one question per post given data are…

Q: 3. Please show your work to find the mean and standard deviation of the data. Round to the nearest…

A:

Q: 4. A numerical measure from a population, such as a population mean, is called a.…

A: Ans-  A numerical measure from a population,            such as a population mean, is called

Q: 11. Sixteen men and sixteen women purchased magazine subscriptions. The distribution of prices had…

A: Given that  Sixteen men and sixteen women purchased magazine subscriptions. The distribution of…

Q: In a survey of 1000 people, mean amount of money they spend on buying Starbuck's coffee per month is…

A: a.  M.E.=Zα/2.σn=1.96×0.451000=0.0279 Margin of error: 0.0279

Q: A violin student records the number of hours she spends practicing during each of nine consecutive…

A:

Q: 1. A variable is normally distributed with a mean of 25 and a standard deviation of 6. Find the…

A: A variable is normally distributed with a mean of 25 and a standard deviation of 6.