Speeds of 20 vehicles were observed as follows (in mph): 35.1 44.0 45.8 44.3 36.3 54.0 42.1 50.1 51.8 50.8 38.3 44.6 45.2 41.1 55.1 50.2 54.3 45.4 55.2 45.7 The speed ranges from 35.1 mph to 55.2 mph. Choose a range of 3 mi/h for each class staring from 35 mph. Determine- a) The arithmetic mean speed b) The standard deviation c) The median speed d) The pace e) The 85th percentile speed

Speeds of 20 vehicles were observed as follows (in mph): 35.1 44.0 45.8 44.3 36.3 54.0 42.1 50.1 51.8 50.8 38.3 44.6 45.2 41.1 55.1 50.2 54.3 45.4 55.2 45.7 The speed ranges from 35.1 mph to 55.2 mph. Choose a range of 3 mi/h for each class staring from 35 mph. Determine- a) The arithmetic mean speed b) The standard deviation c) The median speed d) The pace e) The 85th percentile speed

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

See similar textbooks

Related questions

Q: Compute the passing sight distance for a road section with the following conditions time for initial…

A: When Vehicle is traveling and it shows some other vehicle passing ahead of them on road for safety…

Q: Determining the Maximum Safe Speed on a Farm Road/Railroad Crossing. A two-lane road crosses an…

A: American Association of State Highway and Transportation Officials (AASHTO): A Policy onGeometric…

Q: Q1/ Use the following speed data collected from 2-lanes freeway section of 0.5 km under free- flow…

Q: Distance: 12km Width: 45m wide (4 lane road) Maximum Speed Travel Time 80 mph (128 km/h) 00 hours 06…

A: Distance(L)=12 km Width of road=45 m (4 Lane road) Maximum speed(vmax)=128 km/hr Travel time(t)=6…

Q: COMPUTE THE MINUMUM PASSING SIGHT DISTANCE FOR THE FOLLOWING DATA: SPEED OF THE PASSING CAR = 90…

A: Given data, Va = 90 KPH Vb = 80 KPH T1 = 4 sec T2 = 9 sec a = 2.4 KPh/s D3 = 80 m

Q: Based on the following traffic speed frequency table, the mean speed and mode speed are…

Q: Problem 1. Due to cost and right-of-way constraints, Rv is determined to be 890 ft. Superelevation…

A: The superelevation, e = 0.12 The radius of the curve, R = 890 ft 1 ft = 0.3048 m 1 m/sec = 2.237 mph…

Q: It is the maximum safe operating speed under favorable vehicle, highway, and weather condition.

A: Safe operating speed-

Q: for you, will you hit the lead vehicle? If so at what speed will you be going?

A: V = 70 mph L = 20 ft t = 1.5 secf=0.28one car length spacing for each 10 mphNeed to find

Q: A. On a six-lane EDSA, an observer is stationed at a certain spot. All of the cars in lane 1 are…

Q: Give me both right answers with clear calculations

A: Given data : Vehicle speed A (VA)=50 km/hrVehicle speed B (VB)=70 km/hrVehicle speed C (VC)=75…

Q: Determine: a. The arithmetic mean speed b. The standard deviation c. The median speed (Locate in the…

A: 85th Percentile speed→ Upper safe speed limit for regulation of traffic.And Median is the 50th…

Q: www Q- Traffic volume count has been collected on a 2-lane road section which needs upgradation due…

Q: The following are the results of spot speed survey (kph) of a road section; 64, 39, 52, 66, 47, 82,…

A: First of all we need to arrange number in ascending order

Q: Traffic volumes on multilane highways O a. 15000 – 35000 veh/h. O b. 20000 – 40000 veh/h. O c. 15000…

A: Answer is option C 15000-40,000 veh/h The traffic volumes generally varies from 15,000 - 40,000…

Q: Determine the difference between the required total stopping distance (m) for speed limits of 90kph…

A: The stopping distance is the distance the car sees before it goes to a stop. It depends on the speed…

Q: Current Attempt in Progress Car A is traveling at a location where the speed limit is 100 km/h. The…

Q: The distance traveled by the vehicle in the opposite direction is 100 m on two lane two lane…

A: The velocity of the vehicle is defined as the ratio of the distance travelled to the time…

Q: A moving observer vehicle used 1.0 km section length with a speed of 80 km/hr. Given that the number…

Q: Calculate the lag distance for design speed of 47 km/h for two-way traffic on a single-lane road…

A: given- design speed V=47 km/hreaction time t=2.5 s2 way traffic on single lane

Q: Estimate the distance traveled by the vehicle during this 48-second period using L6, R6 and M3.

Q: What is the braking distance (ft) when the design speed is 65 mph, assuming the AASHTO recommended…

Q: Assuming that the distance of a freeway is 2400m, draw the time space diagram given the following…

Q: ANSWER 22 AND 23

A: To find space mean speed

Q: The parking survey data collected from a parking lot by license plate method is as shown in the…

Q: 2.30 An engineering student is driving on a level roadway and sees a construction sign 500 ft ahead…

Q: Highway Engineering Question Calculate the lag distance for design speed of 47 km/h for two-way…

A: Given- Design speed V=47 km/h two way traffic on a single lane road. f=0.38 t=2.5 s Lag distance=?

Q: The design speed of a multilane highway is 65 mi/h. Determine the following. Note: The term in the…

Q: 21. From the given data of 4 vehicles passing through a 1.2 km segment of highway. Compute the time…

A: Three problems have been asked. Here answer for the first one is provided.

Q: The free mean speed of a road is 100 kmph. Under stopped conditions, average spacing between the…

Q: Based on the following traffic speed frequency table, the median and 85th percentile speeds are…

A: Given above data we have to find median and 85th percentile speed

Q: Determine the total stopping distance (ft) for a highway with a design speed limit of 55mph. Assume…

Question

Speeds of 20 vehicles were observed as follows (in mph):
35.1 44.0
45.8 44.3 36.3 54.0 42.1 50.1 51.8 50.8 38.3 44.6 45.2
45.4 55.2 45.7
41.1 55.1 50.2 54.3
The speed ranges from 35.1 mph to 55.2 mph. Choose a range of 3 mi/h for each class staring from
35 mph. Determine-
a) The arithmetic mean speed b) The standard deviation c) The median speed d) The
pace e)
The 85th percentile speed

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1: Introducing given data

VIEW

Step 2: Calculate arithmetic mean speed

VIEW

Step 3: Calculate standard deviation

VIEW

Step 4: Calculate median speed and 85th percentile speed

VIEW

Step 5: Calculate Pace

VIEW

Solution

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 6 steps with 9 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, civil-engineering and related others by exploring similar questions and additional content below.

Similar questions

4. A car comes to a complete stop from an initial speed of 50 mi/hr in a distance of 100 ft. With the same constant acceleration, what would be the stopping distance s from an initial speed of 70 mi/hr?
civil engineering
Q2/ driver moving at speed of 43.8 mi/h with average acceleration = 1.43 he decides to pass the car on the right lane , the initial time for maneuver = 4 sec and the time of the passing vehicle is traveling in left lane =10 sec . determine the required distance to pass the vehicle ?
The following speeds (75 80, 72, 77 - 79,87,69 and 65) in km/her were measured utes. The data. space mean for vehicle.com speed for This ·computes
Transportation Engineering Determine the median speed, the modal speed
Find Pace for data shown in table below which below represents speed spot study (SSS) data that recorded from urban collector highway in Tikrit city. E No. 1234 5 6 789 Speed group (mph) 20-25 25-30 30-35 35-40 40-45 45 - 50 50-55 55 - 60 60-65 Frequency (f) 0 4 13 28 41 37 22 9 0
Calculate safe overtaking sight distance for a two way traffic road for the following data. The speed of overtaking and overtaken vehicles are 50and 40kmph respectively. The acceleration is 3kmph/sec, design speed is 60 kmph and reaction time is 2seconds.
The following travel times were observed for 4 vehicles traveling a one km segment of the SLEX. It is required to determine the space mean speed of these vehicles
1. A Honda Civic is driven at 15 kph for 12 min, then at 40 kph for 20 min, and finally at 50 kph for 8 min. a. Calculate the average speed over the interval. (in kph) b. How fast must the honda civic move in the Last a min of travel to obtein an average speed of 55 kph? (in kph) Show FBD and complete and detailed solution.
Calculate the passing sight distance on a two lane road having the design speed of 86 kmph and reaction time 2 sec. Assume one way traffic. Take acceleration of overtaking and overtaken vehicle as 3 m/s2 and 1.5 m/s2 respectively. Assume that overtaken vehicle starts accelerating after the reaction time of overtaking vehicle. Take space headway as 18 m.
ANSWER AS SOON AS POSSIBLE