Basic Statistic -25 question midterm

Fzvggl00
timer Asked: Nov 24th, 2020

Question Description

Instructions

Please read the following instructions carefully before beginning this exam:

  1. You will have 2 hours to complete this midterm. Do not start the exam until you have a full 2 hours to commit to it.
  2. The exam must be completed in one sitting. Once it is started, it cannot be paused.
  3. You will only have one attempt on the midterm.
  4. The midterm is worth 25% of your overall grade in the course.

You may use the following formulas on this exam:

  • \mu=\frac{1}{N}\sum_{i=1}^Nx_iμ = 1 N i = 1 N x i
  • IQR\:=Q_3-Q_1I Q R = Q 3 Q 1
  • \bar x =\frac{1}{n}\sum_{i=1}^n x_ix ¯ = 1 n i = 1 n x i
  • Lower fence = Q_1-\:1.5\left(IQR\right)Q 1 1.5 ( I Q R )
  • \sigma^2=\frac{1}{N}\sum_{i=1}^N\left(x_i-\mu\right)^2σ 2 = 1 N i = 1 N ( x i μ ) 2
  • Upper fence = Q_3+\:1.5\left(IQR\right)Q 3 + 1.5 ( I Q R )
  • s^2=\frac{1}{n-1}\sum_{i=1}^n\left(x_i-\bar x \right)^2s 2 = 1 n 1 i = 1 n ( x i x ¯ ) 2

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