In descriptive statistics, there are various types that are used to calculate the nature and spread of the data values. The variance is one of them. It is frequently used to measure the spread of sample and population data values.  The standard deviation is another type of statistics that is …

Learn English ABC letters with these fun free worksheets. Use these ABC worksheets in learning environments for: Preschoolers Older children in remedial classes Adults in reading improvement classes Foreign language speaker learning English Have fun with colouring, tracing and circling the ABC letters, vowels and consonants. Download FREE ABC worksheets …

These free worksheets with beginning middle end sounds will help you to explore the different sounds made with the 26 letters of the alphabet in words. Use these beginning middle end sounds worksheets in learning environments for: Preschoolers Older children in remedial classes Adults in reading improvement classes Foreign language …

Use these fun free worksheets to learn words with 2 and 3 letters. Some words with 2 and 3 letters can be sounded out and some are sight words because they don’t follow the usual rules for sounding out letters. Learning words with 2 and 3 letters well would lay …

Learn ai words with these fun worksheets to understand the concept of a digraph. This is a pattern of two letters representing one sound in English such as ‘ai’ in paid. Also, the vowel team represents more than one vowel sound making it impossible to decode ai words. Therefore, ai …