Use the frequency distribution shown below to construct an expanded frequency distribution. High Temperatures (°F)
Class
16-26
27-37
38-48
49-59
60-70
71-81
82-92

Frequency, f
17
45
66
67
82
66
22

Answer and Step-by-step explanation:

The calculation of midpoints, relative frequencies and cumulative frequencies are shown below:-

For Midpoint =

For Relative frequency =

Class         Frequency     Midpoints    Relative       Cumulative

                                                             frequency     frequency

16-26              17                     21                0.047          0.047

27-37              45                    32               0.123           0.17

38-48              66                   43                0.181            0.351

49-59              67                    54               0.184           0.535

60-70              82                    65              0.225            0.76

71-81                 66                   76               0.181            0.941

82-92              22                   87                0.060          1.001

Total                365

Therefore for computing the cumulative frequency we simply added relative frequency with previous cumulative frequency for class 27-37 and in the same manner of every class.

step-by-step explanation:

just plug in each number for x and see which ones work and don't