Question

A marine scientist collected data regarding the height of the tide at Clearwater Beach over the course of a week. The data is shown below. She concludes that there are two periods of high tide each day. Is she correct? Explain why or why not.
Graph depicting the tidal height from January 17-25 at Clearwater Beach, FL. The X axis depicts the time of day and the Y axis depicts the tidal height in meters from 0.0 meters to 1.0 meters. January 18 shows a tide height of .4 meters at 7:38 am, a tide height of .25meters at 12:09 pm, and a tide height of .7 meters at 6:39 pm. January 19 shows a tide height of less than a meter at 2:11 am, .4 meters at 9:24 am, a tide height of .25 meters at 1:25 pm, and a tide height of .71 meters at 7:40 pm. January 20 shows a tide height of less than a meter at 3:10 am, a tide height of .5 meters at 10:29 am, a tide height of .25 meters at 2:32 pm, and a tide height of .75 meters at 8:37 pm. January 21 shows a tide height of less than a meter at 4:01am, a tide height of .76 meters at 11:13 am, a tide height of .25 meters at 3:27 pm, and a tide height of .77 meters at 9:28 pm. January 22 shows a tide height of less than a meter at 4:44 am, a tide height of .5 meters at 11:47 am, a tide height of .24 meters at 4:14 pm, and a tide hight of .8 meters at 10:14 pm. January 23 shows a tide height of less than a meter at 5.24 am, a tide height of .5 meters at 12:14 pm, a tide height of .4 meters at 4:55 pm, and a tide height of .77 meters at 10:55 pm. January 24 shows a tide height of less than a meter at 6:01 am, a tide height of .5 meters at 12:38 pm, a tide height of.3 meters at 5:34 pm, and a tide height of .77 meters at 11:33 pm. January 25 shows a tide height of less than a meter at 6:34 am, a tide height of .5 meters at 12:59 pm, and a tide height of .15 meters at 6:12 pm.
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Yes; the tide always reaches a high point twice per 24 hour period.
Yes; the tide always peaks twice per night.
No; the height of the tide changes from day to day.
No; the tide is only high every other day.

Answer 1

Answer:

No; low tide advances by 40 to 60 minutes each day.

Explanation:

When reading the table you can see that the times for low tide are not consistent and eventually become early morning.