निम्नांकित ऑकड़ों का प्रसरण और मानक विचलन ज्ञात करें।
30, 40, 42, 44, 46, 48, 58

Study the following pattern and find the missing number from the given options. निम्नलिखित पैटर्न का अध्ययन करें और दिए गए विकल्पों में से लापता संख्या ज्ञात करें।

Find the range of the given data : 38, 70, 48, 40, 42, 55, 63, 46, 54, 44.

The weights (in kg) of 22 students of a class are given below. 44, 46., 42, 40, 44, 44, 46, 43, 43, 44, 42, 46, 44, 43, 43, 42, 40, 40, 44, 46, 46, 44 Represent the data in tabular form using tally marks.

Find the mean deviation about the mean for the data in 38, 70, 48, 40, 42, 55, 63, 46, 54, 44

Find the mean deviation about the mean for the data in 38, 70, 48, 40, 42, 55, 63, 46, 54, 44

Find the mean deviation about the mean for the data in 38, 70, 48, 40, 42, 55, 63, 46, 54, 44

In a class of 40 students, 45% are girls and the remaining are boys. If the average of the girls marks is 54 and that of the boys is 46, what is the average of the whole class? 40 छात्रों की एक कक्षा में, 45% लड़कियाँ हैं तथा शेष लड़के हैं | यदि लड़कियों के अंकों का औसत 54 और लड़कों के अंकों का औसत 46 है, तो पूरी कक्षा का औसत अंक ज्ञात करें |

The weights (in kg) of 30 students of a class are 49, 48, 46, 48, 48, 50, 52, 53, 54, 43, 43, 41, 43, 55, 56, 48, 47, 41, 40, 49, 51, 51, 56, 46, 45, 44, 49, 53, 42 and 47. Prepare a frequency table for the above data and answer the following questions : What is the least weight ?

The weights (in kg) of 30 students of a class are 49, 48, 46, 48, 48, 50, 52, 53, 54, 43, 43, 41, 43, 55, 56, 48, 47, 41, 40, 49, 51, 51, 56, 46, 45, 44, 49, 53, 42 and 47. Prepare a frequency table for the above data and answer the following questions : Find the number of students having the maximum weight in the above data.