Need solution

D. The following data shows the number of years of employment for 20 respondents: 8, 9, 8, 9,2, 2, 8, 1, 9, 3, 6, 8, 2, 5, 10,9, 9, 5, 1, 5. (11 p15) 1. Construct a frequency distribution. 2. Calculate the measures of central tendency and of variation, and explain their meaning. 3. Calculate P35 and explain its meaning. 4. Describe the shape of the distribution. Formulas X _ EFX i = P x N N 100 $2 _N(EFX?) -( FX ) S = VS2 N(N -1) CP - DP E - E2 Yule's Q = - 1 = CP + DP E CP - DP CP - DP Gamma =- Somers' D = CP + DP CP + DP + TP 6ED Spearman's Rho(r, ) = 1-. N(N2 - 1) Pearson s r = N(EXY ) -(EX) (EY) Y = a+bX a =Y-bx b- N(EXY ) -(EX)(EY) N(EX? ) -(EX)2 Strength of the measure of association (- or +) 00 No association 01 to .09 Negligible 10 to .29 Low 30 to .49 Moderate .50 to .69 Strong 70 to 1.00 Very strong 5