Q. If the diameter of a shaft is measured as 60 mm, 62 mm, 63 mm, 61 mm, 60 mm. What is the mean diameter that can be considered for calculation?

View solution

Q. Which of the following is not a measure of central tendency?

View solution

Q. Which of the following is not a measure of dispersion?

View solution

Q. The peak of a curve is located at (4,4). Four students located the peak of the curve to be at (3,4), (5,4), (4,3), and (4,5). What can be the conclusion made by this study?

View solution

Q. If the diameter of a shaft is measured as 80 mm, 81 mm, 82 mm, 83 mm, 84 mm. What is the median of the observed values?

View solution

Q. If the diameter of a shaft is measured as 80 mm, 81 mm, 82 mm, 83 mm, 84 mm, 85 mm. What is the median of the observed values?

View solution

Q. If the observed diameter of a shaft is 20 mm, 21 mm, 23 mm, 22.5 mm, 24 mm. What is the mode of the observed data?

View solution

Q. The height of a tank measured by five engineers is 5 m, 4 m, 4.5 m , 4.5 m, 5 m. What is the mode of the calculated values?

View solution

Q. Measures of precision are also known as ___________

View solution

Q. For symmetrical distribution, mean=median=mode.

View solution

Q. Given for an asymmetrical distribution, median=20, mean=22, what is the mode?

View solution

Q. Find the range of the following observations:

1,2,4,7,8,13

View solution

Q. What is the mean deviation from the mean of the following observation:

9,9,2,3,6,9,4

View solution

Q. The square of the standard deviation is variance.

View solution

Q. The standard deviation is 110 and the mean is 770. What is the coefficient of variation?

View solution

Q. If the coefficient of variation of a data set A is 40 and for data set B it is 60, which data set is more consistent?

View solution

Q. If the variance of the data 2, 4, 5, 6, 8, 17 is 23.33. Then, what is the variance of 4, 8, 10, 12, 16, 34?

View solution

Q. A set of observations x₁, x₂, x₃, x₄, has a standard deviation = 6. Each of these observations is added with a constant k. What is the new standard deviation?

View solution

Q. The collection of all the results of an operation can be called as __________ in statistics.

View solution

Q. The subset of a population is known as ________

View solution