A histogram is being made for the following list of data. If the length of each interval is going to be 5, what will be the frequency of the second interval?

78, 92, 98, 87, 86, 72, 92, 81, 86, 92

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I will dub the, the brainliest.

Aregression was run to determine if there is a relationship between hours of tv watched per day (x) and number of situps a person can do (y). the results of the regression were: y=ax+b a=-0.662 b=30.418 r2=0.703921 r=-0.839

How do you find principle and simple interest

Acompany that manufactures and sells guitars made changes in their product range. from the start they had 20 models. then they reduced the number of models to 15. as a result, the company enjoyed a 10% increase in turnover. - how much did the stock level change? in (%)