Challenger App

No.1 PSC Learning App

1M+ Downloads
consistant ആയതും എന്നാൽ unbiased അല്ലാത്തതുമായ statistic

Asample mean

Bsample variance

Cഇവ രണ്ടും ആണ്

Dഇവയൊന്നുമല്ല

Answer:

B. sample variance


Related Questions:

The given table shows the number of the suitcases sold by different showrooms from 2018 to 2022.

WhatsApp Image 2026-01-26 at 07.07.27.jpeg

The suitcases sold by the showroom D in 2019 is what percentage (rounded off to two places of decimals) less than that sold by showroom B in 2021?

The below table shows the population of men and women (in ratio) for five cities. Study the below table carefully and answer the question that follows.

WhatsApp Image 2026-02-17 at 09.40.27.jpeg

What is the difference between the total number of men of Mumbai and Pune together and number of women in Jabalpur and Bangalore together ?

What is the area of the remaining portion of a circle of radius 14cm when a square with maximum possible area inscribed in it is removed from it ?(Use ∏=22/7)

Study the table and answer the question, The number of girls whose height is above 125 cm is :

Height (in cm)

Number of girls

less than equal to 110

15

less than equal to 115

24

less than equal to 120

31

less than equal to 125

43

less than equal to 130

54

less than equal to 135

68

എന്ത് കണ്ടുപിടിക്കുന്നതിനാണ് കുമുലേറ്റിവ് ഡിസ്ട്രിബൂഷൻ ടേബിൾ ഉപയോഗിക്കുന്നത് ?