5/32a ÷ 7/20a reduce to the lowest terms

Step-by-step explanation:

The higher standard deviation of any data represents diversified data or data having more scattered value . Average value may be same for two samples of data having different standard deviation . So option one is incorrect. 3 rd option is also incorrect.

The scores of the second test were more widespread  than the first , because its standard deviation is more for second test. option 2 is in- correct .

none is correct.