Find the mean of the distribution
50 students enter for a school javelin throw competition. The distance (in metre) thrown are recorded below (i) Construct a cumulative frequency table. (ii) Draw a cumulative frequency curve (less than type) and calculate the median distance drawn by using this curve. (iii) Calculate the median distance by using the formula for median. (iv) Are the median distance calculated in (ii) and (iii) same?
26
Nov
50 students enter for a school javelin throw competition. The distance (in metre) thrown are recorded below (i) Construct a cumulative frequency table. (ii) Draw a cumulative frequency curve (less than type) and calculate the median distance drawn by using this curve. (iii) Calculate the median distance by using the formula for median. (iv) Are [...]
The following is the frequency distribution of duration for 100 calls made on a mobile phone. Calculate the average duration ( in sec ) of a call and also find the median from a cumulative frequency curve.
26
Nov
The following is the frequency distribution of duration for 100 calls made on a mobile phone. Calculate the average duration ( in sec ) of a call and also find the median from a cumulative frequency curve. Find the mean of the distribution November 26, 2020 Category: Chapter 14 - Statistics , Chapter 15 - [...]
A carton of 24 bulbs contain 6 defective bulbs. One bulb is drawn at random. What is the probability that the bulb is not defective? If the bulb selected is defective and it is not replaced and a second bulb is selected at random from the rest, what is the probability that the second bulb is defective?
26
Nov
A carton of 24 bulbs contain 6 defective bulbs. One bulb is drawn at random. What is the probability that the bulb is not defective? If the bulb selected is defective and it is not replaced and a second bulb is selected at random from the rest, what is the probability that the second bulb [...]
Box A contains 25 slips of which 19 are marked ₹ 1 and other are marked ₹ 5 each. Box B contains 50 slips of which 45 are marked ₹ 1 each and others are marked ₹ 13 each. Slips of both boxes are poured into a third box and resuffled. A slip is drawn at random. What is the probability that it is marked other than ₹ 1?
26
Nov
Box A contains 25 slips of which 19 are marked ₹ 1 and other are marked ₹ 5 each. Box B contains 50 slips of which 45 are marked ₹ 1 each and others are marked ₹ 13 each. Slips of both boxes are poured into a third box and resuffled. A slip is drawn [...]
The following are the ages of 300 patients getting medical treatment in a hospital on a particular day Form (i) less than type cumulative frequency distribution. (ii) More than type cumulative frequency distribution.
26
Nov
The following are the ages of 300 patients getting medical treatment in a hospital on a particular day Form (i) less than type cumulative frequency distribution. (ii) More than type cumulative frequency distribution. Find the mean of the distribution November 26, 2020 Category: Chapter 14 - Statistics , Chapter 15 - Probability , Maths , [...]
The mileage (km per litre) of 50 cars of the same model was tested by a manufacturer and details are tabulated as given below: Find the mean mileage. The manufacturer claimed that the mileage of the model was 16 kmL -1. Do you agree with this claim?
26
Nov
The mileage (km per litre) of 50 cars of the same model was tested by a manufacturer and details are tabulated as given below: Find the mean mileage. The manufacturer claimed that the mileage of the model was 16 kmL -1. Do you agree with this claim? Find the mean of the distribution November 26, [...]
Find the mean of the distribution
26
Nov
Find the mean of the distribution Find the mean of the distribution November 26, 2020 Category: Chapter 14 - Statistics , Chapter 15 - Probability , Maths , NCERT Class 10 ,