r categorical data

Which of the situations is most suitable for the categorical data? => heights of students in a class or investment in a peanut farm from 2003 to 2005 or amount spent on military over a time period or a survey on color of eyes in a school..

Which of the following statement(s) is/are true? I. A Pareto chart is used for categorical data. II. An ogive is used to represent quantitative data. III. Pareto chart is used to represent the data collected over a period of time. => IIonly or III only or I a..

Find the mode of the set of data shown. M, S, R, S, S, M, M, R, M, R. => R, S or M or S or S, M..

Which of the following statement(s) is/are false? I. Data such as blood types (A, B, AB, O) can be organised into a categorical frequency distribution. II. Except for rounding errors, relative frequencies should add up to 100. III. A statistical device used in exploratory d..

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 regression ..

A county sheriff is checking whether the number of accidents on a highway is related to the number of vehicles(X 1 ) that travel on that highway and the average speed (in miles per hour)(X 2 ) at which they are traveling.The data for a period of 8 weeks as shown here. Calculate R..

P & R washing machine manufacturing company conducted tests on different models of washing machines before launching them into the market to know the weights (in kgs) they can withstand for a particular drum size. The results are 6, 5.5, 7, 8, 6.3 and 7.2. Find the standard deviation for ..

A medical researcher wants to know the relationship among a person's age ( x 1 ), hours of exercise ( x 2 ) and the systolic blood pressure (in mmHg) ( y ). He has collected the data of a sample of 8 persons for the research. Find (i) R 2 and (ii) the adjusted R 2 . =>..

The table shows the US energy consumption. Which of the graphs represents the data in the table? Petroleum (P) Natural Gas (N.G) Nuclear (N) Renewable (R) Coal (C) 40.8 22.3 6.9 7.5 22.6 => Figure 1 and Figure 2 or Figure 1 or Figure 2 or None of the above..

Revenues of a factory are shown in the table, where t represents time in years since 1998. Find the exponential model for the data. Years since 1998( t ) 0 1 2 3 4 Revenue in billion $ (R) 5 10.3 21.218 43.70908 90.040705 => R = 3.18(2.16) t or R = 5(2.16) t ..