A random sample of scores on a recent test were selected and recorded below. 68, 71, 77, 82, 85, 88, 89, 90, 92, 93, 96, 99

Calculate the mean and standard deviation for the data set. Round your answers to 3 decimal places.

Sample mean: x Overbar =
⇒
Sample standard deviation: sx =
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100 points? me its important ‼️‼️‼️‼️‼️‼️‼️‼️‼️‼️‼️

Solve the problem by using a venn diagram a group of students were surveyed about their taste in music.they were asked how they like three types of music: rock, country western and jazz.the results are summarized below: no one dislikes all three types of music.six like all three types of music.eleven don’t like country western.sixteen like jazz.three like country western and jazz, but not rock.six don’t like rock.eight like rock and country western.seven don’t like jazz.how many students were surveyed?

Why can't my rank go i have 1723 points, but my rank is only at ambitious, which is only 250 points! like, (p.s. i know this isn't related to math, but i just don't know why it's doing this and i would really appreciate if someone could tell me whats going on with this)