Question: Find the standard deviation of sample data summarized in a frequency distribution table by using the formula below, where x represents the class midpoint, f

Find the standard deviation of sample data summarized in a frequency table by using the formula below, where x represents the class midpoint, f represents the class frequency, and n represents the total number of sample values. Also, compare the computed standard deviations to these standard deviations obtained by using Formula 3-4 with the original list of data values: (Exercise 37) 11.1 years; (Exercise 38) 9.0 years; (Exercise 39) 13.4; (Exercise 40) 9.7years.

Verbal IQ Score of Subject Exposed to Lead 50-59 60-69 70-79 80-89 90-99 100-109 110-119 120-129 Frequency 4 10 25 43 26

Step by Step Solution

★★★★★

3.33 Rating (168 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

The result is very close to ... View full answer

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Document Format (1 attachment)

450-M-S-D-A (1304).docx

120 KBs Word File

Students Have Also Explored These Related Statistics Questions!

Find the standard deviation of the amount you might win drawing a card in Exercise 11. Exercise 11 You draw a card from a deck. If you get a red card, you win nothing. If you get a spade, you win $5....

Find the standard deviation of the amount you might win rolling a die in Exercise 12. Exercise 12 You roll a die. If it comes up a 6, you win $100. If not, you get to roll again. If you get a 6 the...

Standard deviation: Refer to Exercise 12. Find the standard deviation of the number of particles that are withdrawn.

Find the standard deviation of sample data summarized in a frequency distribution table by using the formula below, where x represents the class midpoint, f represents the class frequency, and n...

Find the standard deviation,'s, of sample data summarized in the frequency distribution table below by using the formula below, where i represents the class midpoint, I represents the class...

Find the standard deviation of sample data summarized in the frequency ribion babe blow by using the formula below where x represents the class midpout, represents the cost depresents the total...

28 Find the standarddeviation, s, of sample data summarized in the frequency distribution table given below by using the formulabelow, where x represents the classmidpoint, f represents the...

Find the standarddeviation, s, of sample data summarized in the frequency distribution table given below by using the formulabelow, where x represents the classmidpoint, f represents the...

#12 Find the standarddeviation, s, of sample data summarized in the frequency distribution table below by using the formulabelow, where x represents the classmidpoint, f represents the...

Triptych Food Corp. is looking at investing in a production facility that will require an initial investment of $500,000. The facility will have a three-year useful life, and it will not have any...

A lender makes a loan of S3 million that carries an interest rate of six-month LIBOR + 125 basis points and matures in two years. The lender is worried about a decline in the LIBOR rate and in order...

REQUIRED: What is the correct amount of half - yearly interest payment made by Ride 4 Yours on 3 0 November 2 0 2 4 ?

LO.4 Heather, age 12, lives in the same household with her mother, grandmother, and uncle. a. Who can qualify for the dependency exemption? b. Who takes preference?

If one of the subjects is randomly selected, find the probability of selecting someone who did not wear a helmet or was not injured. Head injured Head not injured Wore helmet No helmet 656 2330

Martin Development Co. is deciding whether to proceed with Project X. The cost would be $10 million in Year 0. There is a 50% chance that X would be hugely successful and would generate annual...

On January 1, 2020, a machine costing $210,000 with a four-year life and an estimated $18,000 salvage value is installed in Apple Company's factory to Required: Compute depreciation for each year and...

Matt is analyzing two mutually exclusive projects of similar size and has prepared the following data. Both projects have 5 year lives. Matt has been asked for his best recommendation given this...