Due to constraints of the design the experiment was run

Assignment Help Basic Statistics

Reference no: EM13615414

An effective way to catch salmon commercially is by gill netting. Traditionally, gill netters hang long monofilament nets vertically over the fishing grounds. As the salmon encounter these nets they become entangled in the nets by their gill covers (operculum) and die. Many other species also become entangled in the nets and die. These animals are euphemistically called " by-catch". As part of a conservation project on by-catch reduction, three modified techniques are used on boats fishing for salmon with gill nets.

I. W1. White-topped gill nets (the top 7 feet of the net is white mesh that is considerably easier to see in the water column).

II. W2. White-topped pingers that emit an annoying beep similar to those made by watches with alarms.

III. U3. Unmodified gill nets with pingers.

IV. U4. Unmodified gill nets (standard method).

Due to constraints of the design, the experiment was run over several days. Are there differences amongst the types of nets? These data meet the assumptions of parametric statistics. Do post hoc tests to determine which type of net(s) best reduce by-catch.

Catch of salmon (100 kg/boat-day)
Day	I	II	III	IV
1	23	21	24	25
2	16	14	19	17
3	19	17	23	21
4	11	12	15	16
5	41	30	40	42
6	32	20	37	35
7	9	11	19	17
8	10	14	19	16

Reference no: EM13615414

Questions Cloud

Generate 1000 samples of size 350 from a binomial : about two out of every three gas purchases at cheap gas station are paid for by credit cards. 350 customers buying gas

Construct a 90 confidence interval to estimate the average : the average selling price of blackberry smart phones purchased by a random sample of 35 customers in 2010 was 311.

Calculate the sampling error using the first 5 homes in the : jeff bollinger of prudential realtors has 20 residential listings under contract. the following table shows the number

Fifteen tobacco plants of the same age and genetic strain : fifteen tobacco plants of the same age and genetic strain were randomly assigned to three groups of five plants each.

Due to constraints of the design the experiment was run : an effective way to catch salmon commercially is by gill netting. traditionally gill netters hang long monofilament

A college graduate school president is interested in : a college graduate school president is interested in knowing what proportion of applicants would like to be accepted

A random sample of 45 door-to-door encyclopedia : a random sample of 45 door-to-door encyclopedia salespersons were asked how long on average they were able to talk to

Assume the distribution of the cholesterol for patients in : a special diet is intendend to reduce cholesterol of patients at risk of heart disease. if the diet is effective the

In a learning experiment untrained mice are placed in a : in a learning experiment untrained mice are placed in a maze and the time required for each mouse to exit the maze is

User Account

All Pages