For a set of 100 observations, taking assumed mean as 4 , the sum of the deviations is \( -11 \m...

Channel:
PW Solutions
Subscribers:
451,000
Published on ● Video Link: https://www.youtube.com/watch?v=9oWbg8nDCaA


Duration: 4:50
161 views
6

For a set of 100 observations, taking assumed mean as 4 , the sum of the deviations is \( -11 \mathrm{~cm} \), and the sum of the squares of these deviations is \( 275 \mathrm{~cm}^{2} \). The coefficient of variation is
(A) \( 41.13 \% \)
(B) \( 40.13 \% \)
(C) \( 42.13 \% \)
(D) None of these.
W
📲PW App Link - https://bit.ly/YTAI_PWAP
🌐PW Website - https://www.pw.live



Other Videos By PW Solutions


2023-01-16Define aerenchyma. \( \mathrm{P} \)
2023-01-16Which one of the following is not a measure of location (A) median (B) mean (C) mode (D) Q1 W
2023-01-16Define guano. P
2023-01-16T.ee number of values of \( k \) for which the equation \( x^{3}-3 x+k=0 \) has two different ro...
2023-01-16The sum of squares of deviations from mean is (A) least (B) zero (C) maximum (D) none of these \...
2023-01-16The best average of dealing a qualitative data is (A) Mean (B) Median (C) Mode (D) Harmonic mean...
2023-01-16An ideal gas is allowed to expand both reversibly and irreversibly in an isolated system. If \( ...
2023-01-16If a variable takes values \( 0,1,2, \ldots \ldots, n \) with frequencies \( q^{n},(n) q^{n-1} p...
2023-01-16The weighted mean of first \( n \) natural numbers whose weights are equal is given by (A) \( (2...
2023-01-16The algebraic sum of deviations of a set of values from the arithmetic mean is: (A) 0 (B) 1 (C) ...
2023-01-16For a set of 100 observations, taking assumed mean as 4 , the sum of the deviations is \( -11 \m...
2023-01-16Consider a classroom that is roughly \( 5 \mathrm{~m} \times 10 \mathrm{~m} \times 3 \mathrm{~m}...
2023-01-16In a constant volume calorimeter, \( 3.5 \mathrm{~g} \) of a gas with molecular weight 28 was bu...
2023-01-16Identify the incorrect statement. \( \mathrm{P} \) (i) Bacillus thuringiensis are available in s...
2023-01-16In the circuit shown in figure potential difference between \( A \) and \( B \) \( \mathrm{P} \)...
2023-01-16The capacitance of an filled parallel plate capacitor is \( 20 \mu \mu \mathrm{F} \). The \( \ma...
2023-01-16Define isotherms. \( \mathrm{P} \) W
2023-01-16A ring has charge \( Q \) and radius \( R \). If a charge \( q \) is placed at its centre then t...
2023-01-16The equivalent capacitance between \( A \) and \( B \) is (each of the capacitors obtained is of...
2023-01-16Figure shows two conducting thin concentric shells of radii \( r \) and \( 3 r \). The outer she...
2023-01-16A spherical condenser has \( 10 \mathrm{~cm} \) and \( 12 \mathrm{~cm} \) as the radii of inner ...