Question

below is a histogram of the weight (in pounds) of adult male grizzly bears weighed 2 weeks before entering hibernation for winter in alaska. how many bears weigh between 200 and 400 pounds? 31 17 3 28

Explanation:

Step1: Identify the bars for 200 - 300 and 300 - 400.

The bar for 200 - 300 has a count (from the y - axis) of, say, 10 (estimating from the graph: the third bar, between 200 - 300, looks to be at 10 on the count axis). The bar for 300 - 400 has a count of, say, 7 (the fourth bar, between 300 - 400, looks to be at 7 on the count axis).

Step2: Sum the counts.

To find the number of bears between 200 and 400 pounds, we add the counts of the 200 - 300 and 300 - 400 intervals. So, \(10 + 7=17\)? Wait, maybe my initial estimates were wrong. Wait, let's re - estimate. Looking at the y - axis, the scale: each major tick is 5, with smaller ticks in between. Let's look at the bars:

First bar (0 - 100): maybe 14? Second (100 - 200): 16? Third (200 - 300): 10? Fourth (300 - 400): 7? Wait, no, the question's options include 17. Wait, maybe the 200 - 300 bar is 10 and 300 - 400 is 7, sum to 17. Or maybe more accurately, let's see the options. The options are 31,17,3,28. Let's re - examine the histogram. The third bar (200 - 300) and fourth bar (300 - 400). Let's assume the third bar (200 - 300) has a count of 10 (since it's between 5 and 15, closer to 10) and the fourth bar (300 - 400) has a count of 7 (between 5 and 10, closer to 7). Then \(10 + 7 = 17\).

Answer:

17 (corresponding to the option with 17, e.g., if the options are labeled as: 31, 17, 3, 28, then the answer is the option with 17, say B. 17 if B is the label for 17)