The alpha level should always be set to 0.05.
The supplied statement;
How should you select the alpha() level when doing a significance test in practice,
⇒ Use a higher alpha when the consequences of wrongly rejecting the null hypothesis are more severe. Select alpha () = 0.05 in every situation since it is the best option. Use a smaller alpha when the consequences of wrongly rejecting the null hypothesis are more severe.
To learn more about significance test click here:
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Step-by-step explanation: last year
B:180 degrees because a circle is 360 degrees and half of 360 is 180. I'm learning this too lol
