Julia studies the temperatures in Finland and found that her data is positively skewed with a mean of 6°. She then multiplied all the values by (-2). Which of the following statements is incorrect regarding the data after the transformation?
a) The variance became larger
b) The distribution became negatively skewed
c) The IQR remained the same
d) The mean became smaller

Question

Julia studies the temperatures in Finland and found that her data is positively skewed with a mean of 6°. She then multiplied all the values by (-2). Which of the following statements is incorrect regarding the data after the transformation?
a) The variance became larger
b) The distribution became negatively skewed
c) The IQR remained the same
d) The mean became smaller