A Punnett square is also used to determine the phenotypic ratio of the offspring. A phenotypic ratio is the ratio of visible traits displayed in the offspring. The Punnett square in Figure 4 shows the different allele combination and the phenotypic ratio that will result when two heterozygous parents are crossed.
The average typing speed is 38-40 words per minute (wpm) for adults in a professional working environment (despite many incorrect reports on the web that it is 50-60 wpm). <br /> <br /> Some administrative assistants can type 70-80 wpm or more.
The median typist speed is 38 WPM and the mean typing speed is 40 WPM. RankMyTyping.com, a typing test website that aggregates typing speed scores based on online tests, ranks the average typing speed at 43 WPM. According to RankMyTyping.com, secretaries that have taken the test rank around 74 WPM and the average 13-year-old performs around 23 WPM.