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sbpsextoxgrmhemgestage apgar5 43MaleNoNo297 51MaleNoNo318 42FemaleNoNo330 39FemaleNoNo318 48FemaleYesNo307 31MaleNoYes250 31MaleYesNo277 40FemaleNoNo299 57FemaleNoNo286 64FemaleYesNo299 46FemaleNoNo267 47FemaleNoYes306 63FemaleNoNo298 56FemaleNoNo291 49MaleNoNo298 87MaleNoNo297 46FemaleNoNo298 66FemaleNoNo338 42FemaleYesNo338 52FemaleNoNo297 51MaleNoNo287 47FemaleNoNo309 54MaleNoNo274

sbpsextoxgrmhemgestage apgar5

43MaleNoNo297

51MaleNoNo318

42FemaleNoNo330

39FemaleNoNo318

48FemaleYesNo307

31MaleNoYes250

31MaleYesNo277

40FemaleNoNo299

57FemaleNoNo286

64FemaleYesNo299

46FemaleNoNo267

47FemaleNoYes306

63FemaleNoNo298

56FemaleNoNo291

49MaleNoNo298

87MaleNoNo297

46FemaleNoNo298

66FemaleNoNo338

42FemaleYesNo338

52FemaleNoNo297

51MaleNoNo287

47FemaleNoNo309

54MaleNoNo274

64MaleNoNo339

37FemaleNoNo327

36MaleYesNo283

45FemaleNoYes297

39MaleNoNo287

29FemaleNoNo294

61FemaleNoNo303

53MaleNoNo317

64FemaleNoNo307

35FemaleNoNo316

34MaleNoNo299

62FemaleNoNo277

59FemaleNoNo278

36MaleNoNo279

47FemaleNoNo328

45MaleNoYes312

62FemaleNoYes285

75MaleYesNo307

44MaleNoNo290

39MaleNoNo288

48FemaleNoYes317

43FemaleYesNo276

19FemaleNoYes254

63MaleNoNo307

42MaleNoNo286

44FemaleNoNo289

25FemaleNoNo258

26FemaleNoNo238

27MaleNoNo279

35MaleNoNo288

40MaleNoNo277

44FemaleNoNo276

66MaleNoNo268

59FemaleNoNo253

24FemaleNoNo237

40FemaleNoYes263

49FemaleNoNo245

53MaleYesNo299

45FemaleNoNo299

50MaleNoYes278

64MaleNoNo307

48FemaleNoNo306

48FemaleNoYes324

58FemaleYesNo337

67FemaleNoNo278

40FemaleNoYes318

48FemaleNoNo268

36MaleNoNo275

44MaleNoNo276

53FemaleYesNo359

45FemaleYesNo286

54MaleNoNo308

44MaleYesNo312

42MaleNoNo305

50FemaleNoNo270

48FemaleNoNo255

29FemaleNoYes255

30FemaleNoYes262

36FemaleNoNo290

44FemaleNoNo290

46FemaleYesNo349

51MaleYesNo304

51MaleNoNo295

43MaleYesNo337

48MaleNoNo305

52MaleNoNo298

43MaleNoNo246

42MaleYesNo338

48MaleNoYes255

49FemaleYesNo328

62MaleYesNo317

45MaleNoNo319

51FemaleYesYes316

52MaleNoNo298

47MaleYesNo325

40FemaleYesNo338

50FemaleNoNo287

Looking at sbp and gender

a. Assuming equal variances for males and females, use the two-sample t-test to evaluate the null hypothesis that among low birth weight infants, the mean systolic blood pressure for girls is identical to that for boys.

b. Test the same null hypothesis using ANOVA.

c. Is ANOVA for two-samples essentially the two-sample t test?

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