Summarize the following:
Since Windows XP is no longer being updated, any exploits found will not be fixed. This means XP is now an unsecure operating system, and you should take every precaution when using it to help prevent getting attacked. Creating a limited account and primarily using it will prevent malware from performing administrator actions if you get infected. This means you will need to log into your administrator account any time you want to install or uninstall software, or make changes to the system settings. It's a pain, but one of the best ways to ensure that your computer is secure as possible. Dump IE as soon as possible, as the Windows XP version is no longer updated and is not secure. Two of the most popular and secure browser replacements include Mozilla Firefox and Google Chrome. Consider not connecting your XP computer to the internet at all. It will be inconvenient, but your chance of getting infected will go way down (you will still be vulnerable to threats from USB drives). Some versions of Windows XP will come bundled with an antivirus program trial. Uninstall this first, and then download and install a new antivirus program. This is incredibly important if you plan on spending any amount of time connected to the internet. See this guide for details on installing an antivirus program. Antimalware programs are important as well (Malwarebytes, Spybot, etc.) Replace Windows firewall. Many paid antivirus programs come with firewall replacements. You should enable these instead of Windows Firewall, as they are more likely to be updated and kept secure. Since Windows XP will no longer be updated, it's important to ensure that your programs are running their latest version to reduce the chance of exploits. Some programs will check for updates automatically, while others will release updated versions on their websites. If you are using Office 2003, you'll want to upgrade as soon as possible. Like Windows, it is now longer being updated, and Office is a notoriously exploitable program. Either update to a newer version, or install an alternative like Apache OpenOffice

summary: Create a limited account. Install a new browser. Install a new antivirus program. Keep your other programs up to date.

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A crisp should only take about 45 minutes to cook and usually fits into a 2-quart baking dish, which is typically deeper than a pie pan. Use a touch of butter your favorite cooking spray to ensure nothing sticks as it cooks. Not all apples are created equally, and not all apples are suitable for baking. What you want is a firm-textured apple, one that will hold up under heat. In addition, the best apples for baking have a nice balance between sweetness and tartness, leading to a better-balanced dish. If you're in doubt, check the labels at your supermarket, which often point out good "baking" apples. Some great examples (not including those in the ingredients list) include: Must Pink Lady Granny Smith Cortland Empire Jonathan and Jonagold Wash the apples and then peel them first, as most people don't like the skins in their crisp. If you have an apple corer, use it to punch out the center and then cut the apple into whatever thickness you desire, though they should be a 1/4" or less in order to fully cook. If you don't have an apple corer, the best way to cut apples with a knife is: Wash and peel the apple. Remove the stem. Cut the apple in half lengthwise, from the stem down Cut the apple halves lengthwise into quarters Lay each quarter on one side, peel side up, and diagonally slice out the core. Cut remaining apple into slices. Add the lemon juice first, tossing to coat all of the apples the light acid, which keeps them semi-crisp and enhances their flavor. Then add the sugar and flour slowly, making sure all of the apples are adequately covered. If you want a little extra sweetness, toss in 2 tablespoons (29.6ml) of maple syrup with the lemon juice and coat the apples before adding sugar and flour. The apples go in nice, even layer on the bottom and the streusel goes in a nice, even layer on the top. With the apples, take care to prevent large air holes that might form from askew apples. While they don't have to be meticulously layered, you don't want it to cook unevenly. The longer the dish cooks, the softer the apples will get. However, too long and the topping will burn. 30-40 minutes should be right on the money. If the topping is getting too dark but the apples need more time, cover the whole thing with aluminum foil. This will protect the topping while trapping heat to cook the apples.

summary: Preheat the oven to 350F (177C) and grease your baking dish. Choose the right apples for the best apple crisps. Slice and core the apples, removing the skins first if desired. Toss the apples in large bowl, then add lemon juice, sugar, and flour. Pour the apples into your baking dish and top evenly with topping. Cook until the top is golden brown and the apples are bubbling -- about 35 minutes.

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The standard deviation is a measure of how spread out your data is. It gives you information on how similar each data point is within your sample, which helps you determine if the data is significant. At first glance, the equation may seem a bit complicated, but these steps will walk you through the process of the calculation. The formula is s = ((xi )2/(N 1)). s is the standard deviation. indicates that you will sum all of the sample values collected. xi represents each individual value from your data. is the average (or mean) of your data for each group. N is the total sample number. To calculate the standard deviation, first you must take the average of the samples in the individual groups. The average is designated with the Greek letter mu or . To do this, simply add each sample together and then divide by the total number of samples. For example, to find the average grade of the group that read the material before class, let's look at some data. For simplicity, we will use a dataset of 5 points: 90, 91, 85, 83, and 94. Add all the samples together: 90 + 91 + 85 + 83 + 94 = 443. Divide the sum by the sample number, N = 5: 443/5 = 88.6. The average grade for this group is 88.6. The next part of the calculation involves the (xi ) portion of the equation. You will subtract each sample from the average just calculated. For our example you will end up with five subtractions. (90 88.6), (91- 88.6), (85 88.6), (83 88.6), and (94 88.6). The calculated numbers are now 1.4, 2.4, -3.6, -5.6, and 5.4. Each of the new numbers you have just calculated will now be squared. This step will also take care of any negative signs. If you have a negative sign after this step or at the end of your calculation, you may have forgotten this step. In our example, we are now working with 1.96, 5.76, 12.96, 31.36, and 29.16. Summing these squares together yields: 1.96 + 5.76 + 12.96 + 31.36 + 29.16 = 81.2. The formula divides by N 1 because it is correcting for the fact that you haven't counted an entire population; you are taking a sample of the population of all students to make an estimation. Subtract: N 1 = 5 1 = 4 Divide: 81.2/4 = 20.3 Once you have divided by the sample number minus one, take the square root of this final number. This is the last step in calculating the standard deviation. There are statistical programs that will do this calculation for you after inputting the raw data. For our example, the standard deviation of the final grades of students who read before class is: s =20.3 = 4.51.
summary: Define the formula for standard deviation. Average the samples in each group. Subtract each sample from the average. Square each of these numbers and add them together. Divide by the total sample number minus 1. Take the square root.