Fitting exponential equation `(y=ax^b)`įit a straight line, second degree parabola, cubic equation for the following data on production.ĥ. Fitting exponential equation `(y=ab^x)`Ħ. Fitting exponential equation `(y=ae^(bx))`ĥ. Fitting cubic equation `(y=a+bx+cx^2+dx^3)`Ĥ. Fitting second degree parabola `(y=a+bx+cx^2)`ģ. Curve Fitting - Method of Least SquaresĢ. Regression line equations for bivariate grouped dataġ2. Find the regression equations of y on x.ġ1. The following information is obtained for two variables x and y. Find Regression line equations from `sum x, sum y, sum x^2, sum y^2, sum xy, n` Obtain two regression line equations and estimate y for x = 50 and x for y = 30.Ĥ. The correlation coefficient between x and y is 0.42. The following information is obtained form the results of examination Find Regression line equations using mean, standard deviation and correlation correlation (r) The regression equation of two variables are 5y = 9x - 22 and 20x = 9y + 350.įind the means of x and y. Find Correlation Coefficient from two Regression line equations Find the equation of two regression lines, also estimateįind the equation of regression line equations and correlation coefficient from the following data.Ģ. Obtain the rank correlation coefficient for the following data.ġ. Ten participants in a contest are ranked by two judges as followsĢ. Spearman's Rank Correlation Coefficient (RHO)ġ. Covariance - Population Covariance, Sample CovarianceĬalculate correlation coefficient for following weights fathers X and their sons Yĩ. Find Mean or Median or Mode from other two'sįind the combined standard deviation from the following data.Ĭalculate mean deviation about mean for the following distribution.ī. Find X from Arithmetic mean, Geometric mean, Harmonic meanįind X where Arithmetic mean=3.5 for ungrouped data 2,3,X,5ģ. Find Arithmetic mean, Geometric mean, Harmonic meanįind Arithmetic mean, Geometric mean, Harmonic mean for ungrouped data like 2,3,4,5,6Ģ. Arithmetic Mean, Geometric Mean, Harmonic Meanġ. Draw Histogram, Frequency Polygon, Frequency Curve, Less than type cumulative frequency curve and More than type cumulative frequency curve of the data.ĥ. The frequency distribution of the marks obtained by 100 students in a test of Mathematics carrying 50 marks is given below. More than type cumulative frequency curve Less than type cumulative frequency curveĥ. While calculating the mean two observations were by mistake taken as 35 instead of 25 and 30 instead of 45. The median and mode of a frequency distribution of 230 person are 33.50 and 34 respectively. The mean of a frequency distribution of 40 persons is 16.5. Mean of the following distribution is 18.1. Sample Variance, Standard deviation and coefficient of variation for mixed data Population Variance, Standard deviation and coefficient of variation for mixed dataģ. Class and their frequency table for grouped dataĢ. More than type Cumulative frequency table for grouped dataġ4. Less than type Cumulative frequency table for grouped dataġ3. Mode using Grouping Method for grouped dataġ2. Box and Whisker Plots for grouped dataġ1. Mean deviation, Quartile deviation, Decile deviation, Percentile deviation for grouped dataġ0. Geometric mean, Harmonic mean for grouped dataĨ. Sample Skewness, Kurtosis for grouped dataħ. Population Skewness, Kurtosis for grouped dataĦ. Sample Variance, Standard deviation and coefficient of variation for grouped dataĥ. Population Variance, Standard deviation and coefficient of variation for grouped dataĤ. Quartiles, Deciles and Percentiles for grouped dataģ. Ascending order, Descending order for ungrouped dataġ. Construct a grouped frequency distribution tableġ6. Construct an ungrouped frequency distribution tableġ2. Box and Whisker Plots for ungrouped dataġ1. Five number summary for ungrouped dataġ0. Mean deviation, Quartile deviation, Decile deviation, Percentile deviation for ungrouped dataĩ. Geometric mean, Harmonic mean for ungrouped dataĨ. Sample Skewness, Kurtosis for ungrouped dataħ. Population Skewness, Kurtosis for ungrouped dataĦ. Sample Variance, Standard deviation and coefficient of variation for ungrouped dataĥ. Population Variance, Standard deviation and coefficient of variation for ungrouped dataĤ. Quartiles, Deciles and Percentiles for ungrouped dataģ. Mean, Median and Mode for ungrouped dataĢ. Provide step by step solutions of your problems using online calculators (online solvers)ġ. Secondary school, High school and College Homework help (with all solution steps)
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