use median instead of mean

Pollution can be anything - which damages the ecosystem and destroys the delicate balance in the ecosystem. Thereby, it creates health hazards to human beings and animals besides damaging the ecosystem. For e.g., industries polluting air has set imbalance in composition of air and made it unworthy ..

Which of the graphs can we use to find the median? => Graph 2 only or Graph 1 and Graph 2 or Graph 1only or cannot be determined..

A study of 50 basket ball players showed that their scoring average is 15.8 points per game. The 90% confidence interval of the mean score for all players is between 14.1 and 17.5. Find the 90% confidence interval of the mean score(μ) if 100 players are considered instea..

Select the true statement(s). I. The measure of central tendency used in exploratory data analysis is mean. II. The measure of central tendency used in z score is median. III. The mean and standard deviation is better than five-number summary for de..

A random sample of 52 days taken at a chemical laboratory shows that an average of 36 specimens were tested per day. The standard deviation of the population is 6. I. Find the 99% confidence interval of the mean number of specimens tested each day at the laboratory. II. Find the 99% confi..

The number of ATM transactions of a particular bank recorded at 12 locations in a city on a day are as follows. 24, 42, 210, 69, 38, 72, 59, 44, 96, 21, 318, 66 Find the median and mean of the number of transactions. Which is greater, median or mean? => 62.5,..

Dyes - Meaning and Characteristics - Colored substances used for dyeing fabrics are called dyes. A true dye must: Have a suitable color Be able to attach itself to the material from solution or be capable of being fixed on it Be fast to light and washing when fixed. For this it ..

Merits: 1. Mean deviation is easy to calculate. This measure is simple to understand. 2. This can be calculated from any average. 3. It is less affected by extreme observations. Demerits: 1. This is mathematically incomplete because it ignores negat..

Which of the following statement(s) is/are true? I. If a student secured 75th percentile in an exam, then it means that he scored 75 out of 100. II. A statistic that tells the number of standard deviations a data value is above or below the mean is called z score. III. The distr..

Tim has taken an aptitude test 8 times and his scores are 96, 98, 98, 105, 36, 87, 95 and 93. Is mean or median the better measure of central tendency? => Median or Mean..