Discuss the below:
Q1: Construct a histrogram, a frequency polygon, and an give for the following frequency distribution.
| Class Interval |
|
Frequency |
| 50-under 60 |
|
13 |
|
| 60-under 70 |
|
27 |
|
| 70-under 80 |
|
43 |
|
| 80-under 90 |
|
31 |
|
| 90-under 100 |
|
9 |
|
Q2: Construct a stem and leaf plot of the following data. Let the leaf contain one digit.
| 312 |
324 |
289 |
335 |
298 |
| 314 |
309 |
294 |
326 |
317 |
| 290 |
311 |
317 |
301 |
316 |
| 306 |
286 |
308 |
284 |
324 |
Q3: An examination of rejects shows at least 10 problems. A frequency tally of the problems follows. Construct a Pareto chart for these data.
| Problem |
Frequency |
| 1 |
673 |
| 2 |
29 |
| 3 |
108 |
| 4 |
379 |
| 5 |
73 |
| 6 |
564 |
| 7 |
12 |
| 8 |
402 |
| 9 |
54 |
| 10 |
202 |
Q4: The top music genres according to SoundScan for a recent year are R&B, Alternative (rock), Music, Rap, and Country. These and other music genres along with the number of albums sold in each (in millions) are shown.
| Genre |
|
Albums Sold |
| R&B |
|
146.4 |
|
| Alternative |
|
102.6 |
|
| Rap |
|
73.7 |
|
| Country |
|
64.5 |
|
| Soundtrack |
|
56.4 |
|
| Metal |
|
26.6 |
|
| Classical |
|
14.8 |
|
| Latin |
|
14.5 |
|
Q5: Construct a pie chart for these data displaying the percentage of the whole that each of these games represents.