Make a plot with degrees of freedom

Reference no: EM131424009

Degrees of freedom and confidence interval width. As the degrees of freedom increase, the t distributions get closer and closer to the z (N(0, 1)) distribution. One way to see this is to look at how the value of t* for a 95% confidence interval changes with the degrees of freedom.

Make a plot with degrees of freedom from 2 to 100 on the x axis and t* on the y axis. Draw a horizontal line on the plot corresponding to the value of z* = 1.96. Summarize the main features of the plot.

Reference no: EM131424009

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