TRUE or FALSE? K$-$means clustering algorithms can find clusters of arbitrary shape

TRUE or FALSE? A binary classifier having accuracy $0\mathrm{.}8$ is considered to be more useful than a binary classifier

having accuracy $0\mathrm{.}1.$

TRUE or FALSE? Both LDA and PCA are linear transformation techniques. The main difference is LDA is

supervised whereas PCA is unsupervised.

TRUE or FALSE? One can copy a training set $10$ times to form a larger training set in order to learn a better

classifier.

TRUE or FALSE? PCA maximize the variance of the data, whereas LDA maximize the separation between different

classes.