Question 687875
The frequency table is this


<table border=1><th>Value</th><th>Frequency</th><tr><td>61</td><td>2</td></tr><tr><td>62</td><td>1</td></tr><tr><td>63</td><td>1</td></tr><tr><td>64</td><td>7</td></tr><tr><td>65</td><td>2</td></tr><tr><td>66</td><td>0</td></tr><tr><td>67</td><td>2</td></tr><tr><td>68</td><td>1</td></tr><tr><td>69</td><td>2</td></tr><tr><td>70</td><td>2</td></tr></table>


The idea is simple (once you get the hang of it). You write out the numbers 61 through 70. This is because 61 is the smallest number and 70 is the largest number. Then you count each occurrence of 61, 62, 63, ..., 69, 70. So 61 occurs twice, which means a '2' goes in the corresponding frequency column for 61. The number 62 occurs only once, so a '1' goes in the frequency column for 62.


This is done until you reach 70.



Note: the number 66 is not in the list, but we write it anyway and say it has a frequency of 0 to avoid having any holes in the middle of the table.