Question

Determine the corresponding t values for the indicated area assume df- 6. NOT TO SCALE SELECT ALL APPLICABLE CHOICES A) t 3.707428 t 3.617 df-6 0.3 D) None of These a area-0.005 t 3.767 0.1 The confidence Interval for the standard SELECT ALL APPLICABLE CHOICES deviation is given by A) True B) False (n-1)s2 Determine the corresponding t values for the indicated area assume df- 4. NOT TO SCALE SELECT ALL APPLICABLE CHOICES A) B) t =-3.817 t =-3.707 0.3 d-4 C) D) None of These a area-0.01 t =-3.74695 0.1

Answer 1

4)

Degrees of freedom = 6

We want to find 't' such that $P(t_{6}>t)=0.005$

Using probability tables, we get, t = 3.707428

Hence option A is the correct option.

5)

We know that the confidence interval for standard deviation is given by:

$(\sqrt{\frac{(n-1)s^{2}}{\chi _{R}^{2}}},\sqrt{\frac{(n-1)s^{2}}{\chi _{L}^{2}}})$

Hence False.

Hence option B is the correct option.

6)

Degrees of freedom = 4

We want to find 't' such that $P(t_{4}<t)=0.01$

Using probability tables, we get, t = -3.74695

Hence option C is the correct option.