Calculating the common-scale rating: We divided the adjusted T-Score, which is on a 100-point scale, by 20 to convert the third-party rating to a common 0-5 point system. Take 40 off Webroot antivirus solutions for a limited time only Webroot Personal Antivirus Comparison Basic AntiVirus 23.99 For 1st year Buy now Product details Plus Internet Security Plus 35.To ensure that the mean was equal across all data points, we added our desired scoring mean (between 0 and 10) to the T-Score to create an adjusted T-Score. Calculating the T-Score: We used a T-Score calculation to convert the Z-Score to a 0-100 scale by multiplying the Z-Score by 10.We then subtracted the mean from the company’s rating and divided it by the standard deviation to produce the Z-Score. Bitdefender, Kaspersky, and Trend Micro Internet Security cost 20 more for three licenses. The Z-Score is negative when the data point is below the mean and positive when it's above the mean a Z-Score of 0 means it's equal to the mean.To determine the Z-Score for each third-party rating of a company, we calculated the mean of the ratings across all companies evaluated by that third-party source. At 59.99 per year for three licenses, Webroot costs less than most competing suites. Webroot - Antivirus Protection and Internet Security (6 Devices) (1-Year. Additional products, layers of protection, and devices covered can be added to the security package. They will break out FS for you even if they get paid an all included rate. Tiered pricing and discounts for multi-year licenses are also available. How much does Webroot cost For personal devices, Webroot starts at 39.99. For businesses, Webroot starts at 150.00. Additional products, layers of protection, and devices covered can be added to the security package. Calculating the Z-Score: The Z-Score represents a data point's relation to the mean measurement of the data set. How much does Webroot cost For personal devices, Webroot starts at 39.99.
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