Duplicate of IB Math Studies -- Calculator Skills (Stat/Trig)

To find correlation, where should I enter my variables?

How do I find the correlation coefficient and equation of the linear regression line?

I want to find the correlation between two variables.  What is the first step on my GDC?

You want to calculate the mean of the data below.  First step?

The data below have a mean of 50 and standard deviation of 6. To find P (X < x), input:

Where do you find the normal distribution functions on the calculator, anyways?

How do you get your calculator into DEGREE mode?

Assume a mean of 10 and a standard deviation of 0.5.  How would you find P (X > x₁)?

Assume that the shaded area has P = 0.84.  How to calculate the lower bound of the shaded area?

Uh oh!  My r-value is not showing up!!!!!  What's the solution?

If this distribution has μ=20 and σ=3, how would you calculate the value of k?

Say you run a chi-squared test.  What's the easiest way to find expected frequencies?

You try to calculate ⦟EFG.  Which calculator command would give you the measure of this angle?

Your calculator tells you that tan^-1(5/12) = 0.394 . That doesn't seem right.  What's wrong? 

I want to calculate a chi-squared test statistic.  What's the first step?

Say I want to calculate the mean of 100 different test scores.  Fastest way?

Rate your confidence using the GDC for statistics/trigonometry questions.

Once you have mid-interval values, calculate the mean and standard deviation for the data below