### Understanding Critical Values in Statistics In this exercise, you are asked to find the critical value, \( t_c \), given a confidence level \( c = 0.99 \) and degrees of freedom \( n = 10 \). #### Options Provided: - **A.** 1.833 - **B.** 2.262 - **C.** 3.250 - **D.** 3.169 To solve this, you would typically use a t-distribution table or a statistical calculator. The critical value corresponds to the point on the t-distribution that marks the boundary for 99% confidence with 9 degrees of freedom (since \( n-1 = 10-1 = 9 \)). When selecting the critical value, ensure you select the option that reflects the appropriate value from these resources for the given confidence level and degrees of freedom.

Q: For v = 10 degrees of freedom calculate P(-1.372 <t< 2.764). O 0.85 O 0.94 O 0.89 O 0.90

A: Given data: df = 10 To find : P( -1.372 &lt; t &lt; 2.764 ) = ?

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A: Solution:-

Q: 4. x = 81.72 μ = 79.83 s = 15 n = 29 5. X = 70 μ = 71.5 s = 8 n = 10

A: Formula : Test statistic

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A: Solve by formula

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