Problem: How to buy a turtle
Purchase from a reputable seller.
Look for clean facilities with healthy-looking animals and readily available documentation regarding the breeds of turtles offered.
Well-established pet stores are usually safe choices, although the selection of species they offer may be limited.

Answer: Private sellers and breeders are another option, but should be dealt with more cautiously. The illegal sale of wild turtles is surprisingly common.

Problem: How to calculate standard deviation in excel
Gather the reports that list the data you want to use in your excel spreadsheet.
Keep the data list to a single variable.
Standard deviation is generally used on a small sample of data that needs to be graphed or an entire population.

Answer: Excel has different formulas for figuring out the standard deviation of an entire population and the standard deviation of the sample of a population. Keep this in mind when you choose your formula later on.

Problem: How to recover from chronic fatigue syndrome
Lower your stress levels.
Do your best to remove any excessive pressure in your daily life. This can mean emotional or physical engagements that cause tension and exhaustion.
Answer: Give yourself time to relax every day of the week. Set a specific time of the day for relaxation.