Answer:
The mean of Quiz 2 scores is greater than the mean of Quiz 1 scores, but variability is the same.
[tex]{ \tt{quiz \: 1}} : { \tt{ \frac{70 + 91 + 85 + 87 + 73 + 74 + 77 + 83}{8} }} \\ = 80 \\ \\ { \tt{quiz \: 2}} : { \tt{ \frac{75 + 82 + 78 + 96 + 92 + 79 + 90 + 88}{8} }} \\ = 85 [/tex]
[tex] \\ \\ { \underline{ \blue{ \tt{⚜becker \: jnr}}}}[/tex]
