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(1) " January has 31 days” is a statement. (2) "Null set is a subset of every set” is a statement. (3) "All girls are studious” is not a statement. (4) "Apoorva is honest” is not a statement. Some sentences depend on a variable for its trut..

Suggested answer : Least count of the Vernier = 0.01 cm Reading of the instrument = Main scale reading + (coinciding v.s. div x least count) = 4.3 + (8 x 0.01) = 4.3 + 0.08 = 4.38 cm Example 2: In a Vernier calliper 1 cm of the main scale is divided into 20 equal parts. 19 divisions of th..

Recognize the false statement(s). I. The numbers used to separate the classes, so that there are no gaps in the frequency distribution are called class limits. II. Class width for a class is found by subtracting the lower class limit from the upper class limit. III. Class midpoint is obta..

A study was conducted to find the relationship between the number of accidents commited and the age of the driver. The data gathered from a sample survey of individual drivers is as per the table. At α = 0.1, find the chi-square test value and test the ..

Recognize the incorrect statement(s). I. When all data for a variable are transformed into z scores, the resulting distribution will have a mean of 1 and a standard deviation of 0. II. The z score represents the number of standard deviations that a data ..

The data corresponding to the number of leaves taken per year by married and unmarried employees of a company is shown. Find the test value and check whether both the means differ at 99% confidence. Married 50 52 60 46 Unmarried 56 48 62 40 => - 0.243, the means do not..

The table represents the number of vehicles that go in a particular route during different times in a day. Which of the histograms represents the data correctly? Hours Number of vehicles (in thousands) 0 - 6 0.8 7 - 12 1.6 13 - 18 2 19 - 24 1.2 => G..

A survey of 320 families with 5 children showed the following data: Number of Boys(B) and Girls(G) 5 B 4 B and 1 G 3 B and 2 G 2 B and 3 G 1 B and 4 G 5 G TOTAL Number of families 18 56 110 88 40 8 320 Find the chi-square test value and ar..

In a two-way ANOVA, factor A has a levels and factor B has b levels. The number of data values in each group is n . Find the degrees of freedom for factor A and factor B . => ( a - 1)( b - 1), a b ( n - 1) or a - 1, b - 1..

An experiment was conducted to find out the number of times a tennis ball bounces after it is thrown from a fixed height. This was tried for different heights and the number of times the ball bounced was measured. Determine the equation of the regression line for the data..