Compute s2 and s for the data set: -2, -1, -3, -2, 1, -3 1.33; 1.15...
Compute s2 and s for the data set: -2, -1, -3, -2, 1, -3
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1.33; 1.15 |
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2.27; 1.51 |
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1.6; 1.26 |
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19.07; 4.37 |
Homework Answers
To calculate the sample standard deviation and sample variance we need to find the sample mean as:
Mean = (-2 + -1 + -3 + -2 + 1 + -3)/6
= -10/6
Mean = -1.6667
and the standard deviation is calculated as:
Standard Deviation s = √(1/6 - 1) x ((-2 - -1.6667)2 + ( -1 -
-1.6667)2 + ( -3 - -1.6667)2 + ( -2 - -1.6667)2 + ( 1 - -1.6667)2 +
( -3 - -1.6667)2)
= √(1/5) x ((-0.3333)2 + (0.6667)2 + (-1.3333)2 + (-0.3333)2 +
(2.6667)2 + (-1.3333)2)
= √(0.2) x ((0.11108889) + (0.44448889) + (1.77768889) +
(0.11108889) + (7.11128889) + (1.77768889))
= √(0.2) x (11.33333334)
= √(2.266666668)
= 1.51
and sample variance s2 = 1.512 = 2.27
So, s2 and s are
2.27 : 1.51
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Compute s2 and s for the data set: -2, -1, -3, -2, 1,
-3
1.33; 1.15...
A) B) 0.3 2 1.25 2 1.30 0.2 C) D) 0.1 2 1.33 z-1.15 3 21...
A) B) 0.3 2 1.25 2 1.30 0.2 C) D) 0.1 2 1.33 z-1.15 3 21 E) F) 21.22 z 1.27 Suppose the area is known to be 0.10565 determine the corresponding z-score G) None of These
Data Set 1 2 3 2 (nm) 650 460 542 ny 1.250 1.000 1.500 п, 1.548...
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Part A Constants If WAB -4 rad/s, aAB 2 rad/s2, wc 3 rad/s, and apc-7rad/s2 ,...
Part A Constants If WAB -4 rad/s, aAB 2 rad/s2, wc 3 rad/s, and apc-7rad/s2 , what is the acceleration of point C where the scoop of the excavator is attached? (Figure 1) Enter the r and y components of the acceleration separated by a comma vec ac ac y m/s Request Answen Submit Next > Provide Feedback 1 of 1 Figure AB CLBC 5.5 ITm 1.6 m 2.3 m
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Problem 2 In Excel, for the data set, determine the mean, median, standard deviation, the minimum, maximum and count of data elements. State if the data is skewed, and if so how. 2.35 5.99 3.64 10.83 2.94 0.34 10.14 0.49 0.47 1.53 0.27 2.16 0.23 3.28 0.75 2.58 0.25 0.17 4.38 0.16 3.56 0.17 5.70 3.23 0.60 0.54 2.66 1.47 1.11 0.20 11.16 3.76 0.39 2.01 51.92 1.45 10.12 0.12 3.27 1.22 0.25 0.04 6.46 1.54 1.41 6.74 0.61 0.21...
Find a minimal representation for the system G (s) s2 = [ s+1 (s+2)(8+3) $2+38+2 1
Find a minimal representation for the system G (s) s2 = [ s+1 (s+2)(8+3) $2+38+2 1
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1)What’s the possible S for two particles state with s1 = 1,s2 = 3/2? What’s the possible S for three particles state with s1 = 1/2, s2 = 1, s3 = 3/2? 2)When there are three particles with s1 = 1/2,s2 = 1/2,s3 = 1/2, please write down the matrix presentation of Sx,Sy,Sz,S^2 in tensor product form with {|m1,m2,m3〉} as bases, where |m1,m2,m3〉 is a short form of |1/2, m1〉 ⊗ |1/2, m2〉 ⊗ |1/2, m3〉.
7. (10) a) Find F(s) 1) if f) -tet [u(t)-u(t-4)] 2) iffit) d/dt [t sin (at )] u(t) (15) b) Find f(t) 1) if F(s)-10 s/[(s+1)(s+5)] 2) İfF(s) 10 (s+3)/[s2 (s+2)] 3) if F(s) - 10/(s2+s+ 1) 7. (...
7. (10) a) Find F(s) 1) if f) -tet [u(t)-u(t-4)] 2) iffit) d/dt [t sin (at )] u(t) (15) b) Find f(t) 1) if F(s)-10 s/[(s+1)(s+5)] 2) İfF(s) 10 (s+3)/[s2 (s+2)] 3) if F(s) - 10/(s2+s+ 1)
7. (10) a) Find F(s) 1) if f) -tet [u(t)-u(t-4)] 2) iffit) d/dt [t sin (at )] u(t) (15) b) Find f(t) 1) if F(s)-10 s/[(s+1)(s+5)] 2) İfF(s) 10 (s+3)/[s2 (s+2)] 3) if F(s) - 10/(s2+s+ 1)
usio Exercise 3 H(s)- (s2+1 (s2+2s +1) ( 42st)
usio Exercise 3 H(s)- (s2+1 (s2+2s +1) ( 42st)
A) B) 0.3 2 1.25 2 1.30 0.2 C) D) 0.1 2 1.33 z-1.15 3 21 E) F) 21.22 z 1.27 Suppose the area is known to be 0.10565 determine the corresponding z-score G) None of These
Data Set 1 2 3 2 (nm) 650 460 542 ny 1.250 1.000 1.500 п, 1.548 1.333 1.224 o 55.0° 35.0° 40.0° 02 41.4 25.5 52.0 v (m/s) v (m/s) 0.80 0.65 1.00 0.75 0.67 0.82 sind, sind, 2 (nm) 0.82 0.66 0.57 0.43 0.64 0.79 7. Use the above data and complete the table below for the ratio's given. Record your values to 3 sig. figs. Data Set sino, 2 22 sine, п, ni 1.23 1.33 0.81 1.33 1.37...
Part A Constants If WAB -4 rad/s, aAB 2 rad/s2, wc 3 rad/s, and apc-7rad/s2 , what is the acceleration of point C where the scoop of the excavator is attached? (Figure 1) Enter the r and y components of the acceleration separated by a comma vec ac ac y m/s Request Answen Submit Next > Provide Feedback 1 of 1 Figure AB CLBC 5.5 ITm 1.6 m 2.3 m
Find a minimal representation for the system G (s) s2 = [ s+1 (s+2)(8+3) $2+38+2 1
prove the following
2 F(s) Y (s) 2s + 2 s(s2 +2s + 2) 1 1 1 s + 1 1 2 2 S (1+di+) 1++) ) -3( s +1 1 1 1 -2ES 2 2
2 F(s) Y (s) 2s + 2 s(s2 +2s + 2) 1 1 1 s + 1 1 2 2 S (1+di+) 1++) ) -3( s +1 1 1 1 -2ES 2 2
7. (10) a) Find F(s) 1) if f) -tet [u(t)-u(t-4)] 2) iffit) d/dt [t sin (at )] u(t) (15) b) Find f(t) 1) if F(s)-10 s/[(s+1)(s+5)] 2) İfF(s) 10 (s+3)/[s2 (s+2)] 3) if F(s) - 10/(s2+s+ 1)
7. (10) a) Find F(s) 1) if f) -tet [u(t)-u(t-4)] 2) iffit) d/dt [t sin (at )] u(t) (15) b) Find f(t) 1) if F(s)-10 s/[(s+1)(s+5)] 2) İfF(s) 10 (s+3)/[s2 (s+2)] 3) if F(s) - 10/(s2+s+ 1)
usio Exercise 3 H(s)- (s2+1 (s2+2s +1) ( 42st)
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