Question

A random sample of size 16 is taken from a normally distributed population resulted in a sample standard deviation, s = 10. If we are testing the null hypothesis Ho : o2 = 122 versus the alternative hypothesis Hq : o2 > 122, [Sampel rawak bersaiz 16 yang diambil dari populasi yang bertaburan normal menghasilkan sisihan piawai sampel, s = 10. Sekiranya kita menguji hipotesis nol Ho : o2 = 122 melawan hipotesis alternatif He : > 122 ] 11. what is the value of the test statistics? [berapakah nilai statistik ujian?] A. 10.42 C. 125.00 B. 12.50 D. 1.04 12. what is the degrees of freedom and critical value for this test at a = 0.05? [berapakah darjah kebebasan dan nilai kritikal untuk ujian ini pada a = 0.05?] A. 16 and 28.845 C. 15 and 24.996 B. 16 and 26.296 D. 15 and 27.488

11 ans pls

Answer 1

Holt 2 %3D 12.2 S = 10, n-06 22 - b) 52 15x100 - 10:42 44 b) 24.996 , d f=15. 6.55 15 wation S