It depends on what you need - if you want lots of speed no power on the bottom end you go with the high ratio - if you want lots of torque on take off and lots of pulling power you take the low gear ratio.
High gear ratios, 273,373,340 Low ratios, any thing starting with the #4 and up is a low gear ratio. 410 411 456 488 556 and up.
When riding a bike in low gear, it is easier to pedal but you cover less distance with each pedal stroke. In high gear, it is harder to pedal but you cover more distance with each pedal stroke. Low gear is better for uphill or rough terrain, while high gear is better for flat or downhill surfaces.
1.96:1 is the low range gear ratio of an np 205.
Not sure when you say low speed. Not knowing what your driveline ratio is I will just use some basic numbers .If 20 MPH is your speed and you were in first gear your engine RPM's would be 3000, if you were in second gear at 20MPH your engine RPM's would be 2500 , if you were in third gear at 20MPH your engine RPM's would be 2000. A difference of 1000 RPM's from low to high gear. Lower engine RPM's less fuel used.
With the 4.10 you get low end torque. With the 3.08 you get more top end spend.
A high Sortino ratio is better than a low Sortino ratio. That's because a high sortino ratio implies low downside volatility compared to the expected return. There's a guide to the Sortino Ratio at the related link, together with an Excel spreadsheet
Signal to noise ratio is the difference between the noise floor and the reference level.
The rear end gear ratio on a 1980 Oldsmobile is 3.73, in the overdrive gear. The low gear ratio is 1.43.
That would depend on the gear ratio between the engine and the wheels, and in the diameter of the wheels. The transmission of the car lets you change the gear ratio, so in low gear the car may be going 15 MPH, while in high gear the car may be going at 70 MPH.
A double over bicycle will have two gears for the chain and it allows for easier pedaling up and down hills. When you are in a low gear, you will find that having the chain on the smaller gear will work better than having it on the large gear, which should be reserved for the high gear.
In general, using a low gear on a bike makes it easier to pedal but slower, while using a high gear makes it harder to pedal but faster. Low gears are good for climbing hills or starting from a stop, while high gears are better for riding on flat terrain or going downhill.
In motor-driven vehicles it's often best to use a high gear, as it reduces the likelihood of the wheels spinning loose. For a bicycle it's often better to use a low gear, as it makes it easier for the rider to control the power.