The _____ is a statistic indicating how well a line models the relationship between a dependent variable and an independent variable.
a. correlation coefficient
b. linear regression coefficient
c. mean
d. standard deviation
a. correlation coefficient
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____ involves configuring multiple computers to appear to work as one computer, with other computers in the cluster taking over when one or more computers in the cluster fails or cannot be reached.
A. Network load balancing B. Failover clustering C. Active clustering D. Network clustering
A mobile device user has tried to install a new app numerous times without success. She has closed all unused apps, disabled live wallpapers, and restarted the device in an attempt to get the app to install. Which of the following steps should the user take next?
A. Back up all user data and perform a factory reset. B. Check for sufficient available storage space. C. Disable full device encryption. D. Generate a new public key.