I need help with a ratio question. The ratio to be used is 4:1. The hypothesis i

Question

I need help with a ratio question. The ratio to be used is 4:1. The hypothesis is that ducks will distrube themselves in that ratio based on the food being presented. More ducks should be present with a higher food source and lower with a lower food source. My observed data is 9 (H) 8 (L) for minute 1 and 12 (H) 8 (L) for minute 2. H=higher food present. I was told to sum up the numbers and * by 4 and 1 to get my expected values. So for minute 1 the sum is 17 and my expected values would be 68 (H) and 17 (L) which does equal 4:1; however the number for H seems to high based on the count. If a 4:1 ratio is 80/20, should I * 17 by 80% and 20%?

Explanation / Answer

* A ratio of 4:1 = 80% and 20%. To get a 4:1 ratio of 17 ducks, you calculate as 17 x 80/100 which equals 13.6. The same way, 17 x 20/100 gives 3.4. The numbers make a 4:1 ratio.

Related Questions

Navigate

• Browse (All)
• Browse I
• Subjects

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.