charles has to select two subjects from four subjects in a course. in how many ways can he choose the 2 subjects?

Charles has to select two subjects from four subjects in a course. In how many ways can he choose the 2 subjects? => 2 or 3 or 6 or 4..

. a(m - 1) = -bm remove 'a' as a common factor. [Note: Sign is changed in both the numerator and the denominator] If make 'y' the subject of the formula. Squaring both sides ma 2 = xy i.e..

What sampling method was used by a researcher who divided subjects into two groups according to gender and then selected members from each group for her sample? => cluster or stratified or random or systematic..

The bar graph shows the price of books on different subjects in a book store. Find the price range of books in the book store. => 4 or 3 or 5 or 2..

16 individuals with high blood pressure(mmHg) were randomly subjected to one of four types of treatments. At the end of the treatment period, blood pressure was assessed: At α = 0.05, find F A , F B . Is there any difference in the mean blood pressure of individuals under ..

The following data represent clotting times (mins) from three subjects treated in three different ways. The plasma samples were allocated randomly to the treatments and the analysis was repeated three times for each sample. Write the levels of (i) first, (ii) second variable and..

The grade - point average (GPA) of 10 students in two subjects are as follows: Student A B C D E F G H I J Subject I 2.0 2.2 2.3 2.1 2.4 2.6 2.7 3.5 3.2 3.9 Subject II 2.2..

Construct a pie graph for the points scored by a student in final examination representing the percentage of scores in each subject. Subject Score English 82.5 Math 105 Science 120 French 135 History 97.5 => Graph 3 or Graph 4 or Graph 2 or Graph 1..

The grade point average of 10 students in two subjects are as follows: Subject I 2.0 2.1 2.2 3.8 3.1 3.4 2.1 2.3 2.5 2.6 Subject II 2.2 2.4 2.0 3...

The following table shows the Math (M), Science (S), Geography (G) and English (E) scores of Jack and John. Select an appropriate double bar graph for the given data. Subjects Jack John Maths 60 80 Science 70 60 Geography 70 55 English 80 65 => Graph 3 or Graph 4 or Gr..