AI SL: Paper 2 (TZ1 May 2021)

Chapters
0:03 (1a) Sampling method
2:10 (1b) Median
3:55 (1c) IQR
4:38 (1d) Outlier?
7:34 (1e) Correlation
9:33 (1f) Percentage score
10:58 (1g) Valid to use?
12:56 (1h) Spearman's rank
15:51 (1i.i) Value of r_s
17:44 (1i.ii) Interpret
19:37 (2a) Angle AOB
22:58 (2b) Distance AB
26:55 (2c) Angle Theta
29:32 (2d) Length arc AC
31:48 (2e) Area of sector
33:24 (2f) Height
34:25 (2g) Value of h when Theta...
35:20 (2h) Amplitude
39:16 (2i) Smallest value of k
47:19 (3a) Value after 2 years
51:03 (3b) Minimum value of m
58:50 (3c) Loan amount
1:00:32 (3d.i) Interest paid
1:02:40 (3d.ii) Annual interest rate
1:06:37 (3e) Amount final payment
1:08:13 (3f) Money saved
1:10:34 (4a.i) Less than 6.5m
1:15:32 (4a.ii) More than 7m
1:16:57 (4b.i) 6.5m and 6.75m
1:20:35 (4b.ii) 6.75m and 7m
1:23:24 (4c) H0 and H1
1:26:23 (4d) P-value
1:34:33 (4e) Conclusion of test
1:36:00 (5a.i) dy/dx
1:38:38 (5a.ii) Max height
1:44:01 (5b) Trapezodial rule
1:49:46 (5c.i) Write the integral
1:50:53 (5c.ii) Solve the integral
1:53:37 ANSWER KEYS