methods for analyzing data

Select the wrong statement(s). I. Two major branches of statistics are statistics and probability. II. A group of all subjects under study is called a population. III. Statistics is the science of conducting studies to collect, organize, summarize, analyze and draw conclusions from d..

Graphical Method of Order Determination - First, the data of concentrations versus time is obtained by a suitable method. Then, the data is plotted as concentration versus time. From the resulting plot, the instantaneous rates are determined by drawing tangen..

Initial Rate Method - This method is used for reactions where more than one reactant species are involved. Initial rates of the reaction are determined by varying the concentration of only one reactant while keeping the concentrations of other reactants constant. Initial rate of..

Which is a method of estimating the co-ordinates of a point that lie between two given data points? => Linear extrapolation or Linear interpolation..

There are three methods to find mean for a frequency distribution. (i) Direct method: where x is the mid-interval f is the frequency M is the mean (ii) Short-cut method: where A = assumed mean d = x - A (iii) Step-deviation method: where i = class size..

Comparing center and spread: within group, between group variation Comparing clusters and gaps Comparing outliners and other unusual features Comparing shapes Exploring bivariate data: Analyzing patterns in scatterplots Correlation and linearity Least-squares r..

The number of women competing in a beauty contest from 1995 to 1999 is shown in the table. Is it reasonable to represent the data by a linear model? Which method can be used to estimate the number of women competing in the year 2000? => yes, linear extrapolation or yes, linear i..

The table shows the number of passengers who traveled from New York to Seattle between 1960-1965. Is it reasonable to represent the data by a linear model? Which method can be used to estimate the number of passengers who traveled in the year 1968? => yes, linear interpolation o..

Eric has $110 to spend. Which method is the most appropriate to see if $110 is enough to purchase a shirt at $22.55, a trouser at $38.25 and a jeans at $49.98? => Exact answer or Insufficient data or Estimation or Assumption..

The table shows the expenditure (in hundred dollars) on sports by a city club. Choose a linear model for the data. Which method can be used to estimate the amount spent on sports in 1992? Year 1980 1985 1990 1995 2000 Amount ($) 48.4 52.5 57 61.2 65.6 => y = 0.484 t + 61.2, line..