In a frequency distribution histogram, the frequency of an interval is given by the:（）
A: width of the corresponding bar.
B: height multiplied by the width of the corresponding bar.
C: height of the corresponding bar.
A: width of the corresponding bar.
B: height multiplied by the width of the corresponding bar.
C: height of the corresponding bar.
举一反三
- The total area of the six bars in a relative frequency histogram for which the width of each bar is five units is 1.
- The compression bar belongs to a slender bar. Whether it is a medium long bar or a short thick bar is determined according to the () of the compression bar. A: length B: Cross section size C: Critical stress D: flexibility
- have a drink, bar, let's__________ in the bar.
- There are different kinds of bar, you can see main bar, __________,(酒廊) grand bar, __________, (茶室)service bar, banquet bar, __________(主题酒吧), and gentle bar.
- For the true value table, what is the corresponding logic expression? A: [mathjaxinline]AB + A\bar B[/mathjaxinline] B: [mathjaxinline]AB + \bar AB[/mathjaxinline] C: [mathjaxinline]AB + AB[/mathjaxinline] D: [mathjaxinline]AB + \bar A\bar B[/mathjaxinline]