Hard Math Class 11 Level 1

If variance is 25 then what is the standard deviation?

यदि variance 25 है तो standard deviation कितना होगा?

Show answer and explanation
Correct Answer

C. 5 / 5

Explanation

Step 1: Standard deviation is the square root of variance. Step 2: √25 = 5. Step 3: Always take square root to get SD from variance.

Step 1: standard deviation variance का square root होता है। Step 2: √25 = 5। Step 3: variance से SD पाने के लिए हमेशा square root लें।

Related Questions

Easy Math Class 10 Level 1

What is the HCF of 24 and 36?

24 और 36 का महत्तम समापवर्तक क्या है?

Answer and explanation locked 🔒

Tap once to confirm. On the next tap, login will open for the answer.

Easy Math Class 10 Level 1

What is the mean of the numbers 2 4 6 and 8?

संख्याओं 2 4 6 और 8 का माध्य क्या है?

Answer and explanation locked 🔒

Tap once to confirm. On the next tap, login will open for the answer.

Easy Math Class 10 Level 1

What is the area of a circle with radius 7 cm when π = 22/7?

7 सेमी त्रिज्या वाले वृत्त का क्षेत्रफल कितना होगा जब π = 22/7 हो?

Answer and explanation locked 🔒

Tap once to confirm. On the next tap, login will open for the answer.

Easy Math Class 10 Level 1

What is the value of sin 30°?

sin 30° का मान क्या होता है?

Answer and explanation locked 🔒

Tap once to confirm. On the next tap, login will open for the answer.

Student Class Required

Select your class first

Quiz questions, daily challenge and practice pages will open according to your selected class.