3. A biomechanics researcher wanted to test whether good, average, and poor sprinters differed in horizontal foot speed. She classified the sprinters into three groups based on their sprint times. The horizontal foot speed at touchdown in feet per second was then analyzed with the following results (data is fabricated): • Poor 4, 5, 8, 6, 7, 6 • Average 7, 8, 9, 6, 7, 10 • Good 10, 13, 12, 8, 11, 12 A. What are the mean values for each group? B. What is the standard deviation for each group?

Q: Victor runs 3 laps around a track every 5 minutes. How many laps will he complete in 6 minutes?

A: The number of laps Victor runs in a minute can be calculated as:     So the victor is able to run…

Q: Keiko bicycles 5 km/h faster than Praedup. In the same time it takes Praedup to bicycle 42km, keiko…

A: Given,          Keiko bicycles 5 km/h faster than Praedup. In the same time it takes Praedup to…

Q: Solve                 2   =   X-500/ 85

A: Firstly, we add 500/85 on both sides  and then by adding 2+500/85, we get the required result.

Q: A new iPhone is estimated to lose 25% of its value every six months after is purchase. The cost of…

A:

Q: Nadia is walking a 3.4-mile trail. She stops to take a break after walking 1.6 miles. Which explains…

A: Given, Nadia is walking a 3.4-mile trail. and she take break after  1.4 miles. Here, total distance…

Q: Solve for x: 3* = 53

A: Here we apply logarithm to find the value of x.

Q: Solve for x: 3* = 23

A: Given, 3x = 23  We have to solve for x.

Q: 3509ft is how many kilometers?  Give the first four digits of your answer.

A: Simple value converter problem....

Q: Bronte walks 1.5 miles on a trail. Then he jogs at a speed of 5 miles per hour. Bronte's total…

A: Bronte walks 1.5 miles on a trail. Then he jogs at a speed of 5 miles per hour.Bronte's total…

Q: You can bike at a constant speed of 25 miles per hour. You have 3.5 hours this afternoon for your…

A: Speed of bike = 25 miles/hour Time = 3.5 hours To calculate  Total distance covered in 3.5 hours

Q: Zachary is making a 60-second video about pollution from video clips. He already used three clups…

A: Zachary is making a 60-second video about pollution from video clips. He already used three clips…

Q: Twice the sum of five times a number increased by one is twelve. Determine the number.

A:

Q: Jim is 3 times as old as his cousin and the difference in their ages is 18. How old is Jim?

A:

Q: Solue forx 8tlogs (-4x)=10

A: Please see the answer below.

Q: Solve for x: 6* = 35

A:

Q: the distance around the school track is 1/5 miles. how many times around the trac does alison need…

A:

Q: A 12-foot flag pole is next to a 49 foot building. How long is the flag poles shadow if it is 10…

A: Ratio of heights=Ratio of shadows

Q: A circular running track is 1/4 mile long. Elena runs on the track, completing each lap in 1/20 of…

A:

Q: Aliyah runs approximently 5.4 miles per hour. She is training for a half-marathon and plans to run 9…

A: Aliyah speed is 5.4 miles per hour so for tuesday she require time is 9/5.4 = 1.67 hour and for…

Q: Mr. Stewart put $2000 in an investment account that increases his total investment amount by 10%…

A: Amount Of Investment = $2000 Interest on Investment = 10% His investment increases every month. So,…