Cambridge International Mathematics

Analysis of discrete data (Chapter 13) 289 Example 6 Self Tutor Score Number of students 5 1 6 2 7 4 8 7 9 4 10 2 Total 20 Each ...

290 Analysis of discrete data (Chapter 13) No. of books Frequency 0 2 1 4 2 7 3 4 4 2 5 0 6 1 7 8 8 13 9 7 10 2 2 The following ...

Analysis of discrete data (Chapter 13) 291 Example 7 Self Tutor Class interval Frequency 0 - 9 2 10 - 19 31 20 - 29 73 30 - 39 8 ...

292 Analysis of discrete data (Chapter 13) EXERCISE 13F 1 40 students receive marks out of 100 for an examination in Chemistry. ...

Analysis of discrete data (Chapter 13) 293 COMPUTER PACKAGE Various statistical packages are available for computer use, but man ...

294 Analysis of discrete data (Chapter 13) 2 A randomly selected sample of small businesses has been asked, “How many full-time ...

Analysis of discrete data (Chapter 13) 295 9 The numbers of potatoes growing on each of 100 potato plants were recorded and summ ...

296 Analysis of discrete data (Chapter 13) 4 A sample of 15 measurements has a mean of 14 : 2 and a sample of 10 measurements ha ...

Straight lines 14 Contents: A Vertical and horizontal lines [7.6] B Graphing from a table of values C Equations of lines (gradie ...

298 Straight lines (Chapter 14) Discovery 1 Vertical and horizontal lines#endboxedheading What to do: 1 Using graph paper, plot ...

Straight lines (Chapter 14) 299 3 Find the equation of: a thex-axis b they-axis c a line parallel to thex-axis and three units b ...

300 Straight lines (Chapter 14) Example 1 Self Tutor Consider the equation y=x¡ 2. a Construct a table of values using x=¡ 3 ,¡ ...

Straight lines (Chapter 14) 301 y=mx+c is thegradient-intercept formof the equation of a line with gradientmandy-interceptc. For ...

302 Straight lines (Chapter 14) Example 3 Self Tutor Find the equation of a line: a with gradient 2 andy-intercept 5 b with grad ...

Straight lines (Chapter 14) 303 3 Find the equations of these lines: abc de f 4 Find the equation of a line with: a gradient 2 w ...

304 Straight lines (Chapter 14) 7 Find the equation of a line: a which has gradient^12 and cuts they-axis at 3 b which is parall ...

Straight lines (Chapter 14) 305 EXERCISE 14D.1 1 Convert the following straight line equations into general form: a y=^12 x+3 b ...

306 Straight lines (Chapter 14) This suggests that: ² for gradient a b the general form of the line is ax¡by=d ² for gradient ¡ ...

Straight lines (Chapter 14) 307 In this section we see how to graph straight lines given equations in either gradient-intercept ...

308 Straight lines (Chapter 14) EXERCISE 14E 1 Draw the graph of the line with equation: a y=2x+3 b y=^12 x¡ 3 c y=¡x+5 d y=¡ 4 ...