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Updated: 8 August 2021 12:15:00 AM

# How to find the 10 trimmed mean?

The 10% trimmed mean is the mean computed by excluding the 10% largest and 10% smallest values from the sample and taking the arithmetic mean of the remaining 80% of the sample (other trimmed means are possible: 5%, 20%,, etc.)

## Taking this into account how do you find the 15% trimmed mean?

In the above example, if we wanted 15% trimmed mean, ��=0.15, n=10, k=n��=1.5. Calculations yield k has an integer part 1, and a fractional part 0.5. R=n-2k=10-2*1.5=10-3=7. Thus R=7 observations are retained.

## Keeping this in mind how do you find the 10 trimmed mean in Excel?

Excel 2010 includes a built-in function for computing the trimmed mean.
1. Open a new Microsoft Excel 2010 spreadsheet.
2. Click on cell "A1," and enter the first number in the data set you want to get the trimmed mean for.
3. Click on cell "B1," and enter "=TRIMMEAN(A:A,x)" into the cell.

## Moreover, the question is what is a trimming percentage?

The percentage tells you what percentage of data to remove. For example, with a 5% trimmed mean, the lowest 5% and highest 5% of the data are excluded. The mean is calculated from the remaining 90% of data points.

#### What is a trim?

A trim usually consists of a haircut that retains the same shape, but it's shorter in length. It's simply about cutting off just the right amount of hair that is needed for it to be healthy while not compromising on the style.

#### What happens if I don't wash my hair for 3 days?

Three days: If you don't usually go this long between hair washes, you're probably starting to feel a bit ick. Especially for people with finer, straighter hair, the accumulated dirt, oil, and hair products will start to make your strands look visibly grimy and shiny.

#### How often should you change your bed sheets?

The Good Housekeeping Institute says you should wash your sheets -- and other bedding -- at least once every two weeks. If you have night sweats, or just sweat a lot in general, bump washing up to once a week.

#### Are hot baths good for you?

Not only does a warm bath make the blood flow easier, it also makes it more oxygenated by allowing you to breathe deeper and slower, particularly when taking in steam. Taking a hot bath or spa can kill bacteria and improve immunity. It can relieve the symptoms of cold and flu.

#### Is it better to shower in the morning or at night?

Dermatologists say that an evening shower is good for your skin because it cleans it before sleep. But a shower at night affects your circadian rhythm, too, in a good way. Sleep experts note that a nighttime shower changes your body temperature in a way that may help you get to sleep faster and more easily.

#### How do you find the 20 trimmed mean?

Trimmed means are examples of robust statistics (resistant to gross error). The 20% trimmed mean excludes the 2 smallest and 2 largest values in the sample above, and 5+6+7+7 +8+10 X 20 = -= 7.1667.

#### How do I calculate mean?

The mean is the average of the numbers. It is easy to calculate: add up all the numbers, then divide by how many numbers there are. In other words it is the sum divided by the count.

#### What happens if you never wash your hair?

Prolonged periods of not washing can cause cause buildup on the scalp, damaging hair and even impeding its ability to grow, Lamb said. If itchy dandruff or a scaly scalp occurs, it may feel tempting to scratch. But that could further damage your scalp or hair. “That's never particularly helpful,” Lamb said.

#### Does cutting hair make it grow back faster?

As you probably suspected, cutting your hair does not make it grow faster. Hair growth begins at the follicles in your scalp. Hair growth rate is unaffected by regular haircuts, color, or styling. However, how you treat your hair can affect how thick and healthy it looks.

#### What does give me some trim mean?

Trim is slang for female genitalia. In the blues, it's usually used by a man to express a need or an intention, as in “I'm gonna get me some trim tonight.” This usage has been around since the 1920s. This meaning for trim is still in use today.

#### How quickly does hair grow after a haircut?

How long does it take for hair to grow back after a bad haircut? The hair on your head grows about a half inch per month, or 6 inches per year. In general, male hair grows slightly faster than female hair. After a bad haircut, you can expect your hair to grow back at about this rate.

#### How often should you shower?

While there is no ideal frequency, experts suggest that showering several times per week is plenty for most people (unless you are grimy, sweaty, or have other reasons to shower more often). Short showers (lasting three or four minutes) with a focus on the armpits and groin may suffice.

#### How often should you cut your hair?

Michael Fuzailov, owner of Poiz Beauty Salon, says the average time frame between cuts is “every 3 to 4 months.” Hairstylist Lisa Huff recommends trimming between a quarter to half an inch off the hair every 12 weeks if growing it out. Doing it more often won't make your hair grow any quicker.

#### On which day hair should be cut?

Thursday - Thursday is considered the day of Lord Vishnu and Mata Lakshmi. On this day, Laxmiji can become a victim of haircut and loss of honor is also done. Friday- Friday is considered to be the day of physical amenities. It is auspicious to cut hair and nails on this day.

#### What makes hair grow fast?

• Avoid restrictive dieting.
• Try caffeine-infused products.
• Explore essential oils.
• Indulge in a scalp massage.
• Look into platelet-rich plasma treatment (PRP)
• Hold the heat.

#### How much do you tip for a \$20 haircut?

Sure, \$5 tip on \$20 haircut is 25%, especially if that's what you'd give him/her for the same haircut if you didn't have a coupon. Generally speaking, the protocol is you tip on the normal price of a service.

#### What happens if I only wash my hair with water?

"With more natural oils lubricating the hair [from water-only washing], the hair shafts glide over each other, leading to less tangles." Skipping shampoo also allows for the hair's sebum to distribute throughout, and this can make hair appear more shiny and less frizzy.

#### How long can I go without a haircut?

Yes. If you feel your hair looks damaged or broken at the ends, I'd recommend a cut every six weeks. But some girls can go for more than six months no problem.” If you have a high-maintenance hairstyle like bangs or a super-short cut that needs to be shaped—trim every three to four weeks.

#### How much is a haircut at Ulta?

Ulta Salon Prices
ServiceCost
Hair
Cut & Style
Haircut & StyleStarts at \$36.00
Signature Haircut & StyleStarts at \$46.00

#### How long does it take to grow hair 12 inches?

According to the CDC, scalp hair grows an average of one-half inch per month. If your hair is two inches long and you're aiming for shoulder length (about 12 inches) growth, that adds up to a little less than two years to reach your goal.

#### What can you do if your hair is too short?

Tips
1. Try to speed up the growth of your hair.
2. Just smile.
3. Don't worry, your hair will grow!!
4. Do not worry about what other people think as it's your hair not theirs.
5. Go to a stylist (obviously not the one that cut your hair too short) and ask him or her what you can do while waiting for your hair to grow out.

#### What advantages does a trimmed mean have over the regular arithmetic mean?

A trimmed mean removes a small designated percentage of the largest and smallest values before calculating the average. Using a trimmed mean helps eliminate the influence of outliers or data points on the tails that may unfairly affect the traditional mean.

#### What is a reasonable price for a haircut?

The average price for a haircut across all the cities in our survey is \$53. The average price of a men's haircut was \$40. The average price of a women's haircut was \$66. Men's haircuts are usually at least \$10 to \$20 less than women's haircuts.

#### How do you calculate trimmed in R?

Implementation. Base R has trimmed means built in: mean can be used by changing the trim argument to the desired amount of trimming: mean(x, trim = 0.2) gives a 20% trimmed mean.